SECTION I - CLASS DEFINITION
Processes and apparatus for forming strands or fabrics from
yarns, filaments or strands, by braiding, knotting and/or
intertwisting the strands; and the corresponding products or fabrics.
SECTION II - LINES WITH OTHER CLASSES AND WITHIN THIS CLASS
The line between this Class (87) and Class 428, Stock Material
or Miscellaneous Articles, is that any plural layer product or stock
material which includes a component classifiable in this Class (87)
will be placed in this Class; a plural layer stock material or product
in general with no structure of the Class 87 type will be classified in
Class 428, Stock Material or Miscellaneous Articles. See also reference
to Class 87 in the main definition of Class 428, Lines With Other
Classes, Intermediate Articles, and subclass 592 for metallic stock
material having a helical component.
SECTION III - REFERENCES TO OTHER CLASSES
SEE OR SEARCH CLASS:
112, | Sewing,
subclass 415 for braid, netting or lace which includes stitching. |
140, | Wireworking,
subclasses 3+ for machines and processes of the type found in
this class (87), combined with some additional wireworking apparatus
or process step. Where wires are not interlooped by merely being
placed adjacent each other and then locally twisted to overlie, so
that only the rigidity of the wire holds them together, the patent
is in Class 140, Wireworking. |
156, | Adhesive Bonding and Miscellaneous Chemical Manufacture,
subclasses 148+ for the combination of laminating and braiding
and subclass 52 for indefinite length conductor making including
a step of braiding a covering thereon. |
174, | Electricity: Conductors and Insulators, particularly
subclasses 121 , 122 and 124 for insulated conductors and see the
class definition, Section II- Lines With Other Classes and Within
This Class, "Miscellaneous" for the line. |
245, | Wire Fabrics and Structure, particularly
subclasses 7 and 8 for wire fabrics even though for a structure
provided for in this class (87) having claimed additional features
of wire fabric structure. |
427, | Coating Processes, pertinent subclasses as determined by schedule
review for processes of coating, per se, not combined with a textile operation. |
SUBCLASSES
1 | Coated or impregnated: |
| This subclass is indented under the class definition. Processes involving the applying of a coating or impregnating
material to the product by application to the strand material at
any time (i.e., before, during and/or after) relative to
the mechanical interrelation of the strands; and the resulting products.
SEE OR SEARCH THIS CLASS, SUBCLASS:
5, | through 7 for the incorporation of materials other than coating
or impregnating materials, particularly subclass 6 where the tubular
fabric is formed about a soft core into which it may become embedded. |
23, | for apparatus involving means for coating or impregnating. |
SEE OR SEARCH CLASS:
156, | Adhesive Bonding and Miscellaneous Chemical Manufacture,
subclasses 51 and 148 for combinations of braiding and laminating. |
427, | Coating Processes, pertinent subclasses as determined by schedule review
for processes of coating, per se, not combined with a textile operation. |
428, | Stock Material or Miscellaneous Articles, pertinent subclasses as determined by schedule review
for a stock material product in the form of a single or plural
layer web or sheet when the strand interrelation for this class (87)
is not recited. See also main class definition of Class 428, Section
II- Lines With Other Classes and Within This Class, "Interengaged
Fibers and Strands," for a further statement of the line. |
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2 | Elastic: |
| This subclass is indented under the class definition. Processes for making the fabric is extensible either longitudinally,
transversely or both due to the presence therein of extensible elements;
and the resulting products.
| (1)
Note. Fabrics that are merely resilient under compression
are not here included. |
SEE OR SEARCH CLASS:
57, | Textiles: Spinning, Twisting, and Twining,
subclasses 216 , 220, 222 and 362, for strands other than wire used
to form the core. |
139, | Textiles: Weaving,
subclasses 421 through 423for elastic fabric texture elements. |
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3 | Intertwisted strands: |
| This subclass is indented under the class definition. Processes involving twisting strands together and/or
intertwisting strands at different points of junction; and the resulting
products.
SEE OR SEARCH THIS CLASS, SUBCLASS:
10, | for processes of braiding in which arresting carrier
motion or other braiding operations cause a strand to pass one or
more times about another strand; and the resulting products. |
24, | through 27 for corresponding braiding apparatus. |
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4 | Twist or bobbinet lace: |
| This subclass is indented under subclass 3. Processes wherein the meshes of a net or mesh fabric are
formed by intertwisting the strands, the individual strands comprising
one of the two strand sets never being intertwisted; and the resulting
products.
| (1)
Note. These fabrics are distinguished from braided lace by
virtue of the fact that certain threads, known as warp, spool, beam,
etc., threads, are not intertwisted but may be tied together or
in position at certain points by means of the bobbin threads, with
which they are intertwisted. |
SEE OR SEARCH THIS CLASS, SUBCLASS:
27, | for corresponding apparatus and see the definition
thereof for a further statement. |
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5 | With material incorporated in diverse ways: |
| This subclass is indented under the class definition. Processes claiming steps for incorporating material in the
fabric in diverse ways; and the resulting products.
| (1)
Note. This may be by combining two or more types of fabric
provided for in this class, or one fabric of this class with other
material incorporated by other characters of operation. The same strands
may be interrelated in two or more different ways. |
| (2)
Note. In general the material incorporated is independent
of the base fabric and does not partake of the fabric forming operations.
Also, it may be material of a different character uniting two or more
fabrics made according to the methods of this class. |
SEE OR SEARCH THIS CLASS, SUBCLASS:
1, | for coated or impregnated fabrics. |
28, | through 30 for corresponding apparatus. |
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6 | Tubular fabric with core: |
| This subclass is indented under subclass 5. Processes in which the fabric is formed about a core, which
becomes part of the completed structure; and the resulting products. |
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7 | Braided with unbraided material: |
| This subclass is indented under subclass 5. Processes in which braided material and unbraided material
are incorporated in a fabric; and the resulting products.
| (1)
Note. The unbraided material is usually held in or to the
fabric by the braided strands. |
SEE OR SEARCH THIS CLASS, SUBCLASS:
6, | for unbraided material that is the core of a substantially
tubular fabric. |
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8 | Braided: |
| This subclass is indented under the class definition. Processes involving the braiding of strands together, i.e.,
in which one or more strands pass alternately over or under one
or more other strands; or in which one or more strands half-twist
alternately about two or more adjacent strands; and the resulting
products.
SEE OR SEARCH THIS CLASS, SUBCLASS:
33, | through 51 for corresponding apparatus. |
SEE OR SEARCH CLASS:
24, | Buckles, Buttons, Clasps, etc.,
subclasses 659 through 661for braids formed into button-hole loops. |
245, | Wire Fabrics and Structure,
subclasses 7 and 8 for related wire fabrics. |
277, | Seal for a Joint or Juncture, pertinent subclasses as determined by schedule review for
a generic sealing means or process;
subclass 537 for a dynamic, circumferential, contact seal for
other than a piston contained or compressed by a gland in a packing
box having braided, woven, or twisted material or construction. |
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9 | Tubular: |
| This subclass is indented under subclass 8. Processes involving forming a tubular, though not necessarily
cylindrical fabric; and the resulting products. |
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10 | Lace: |
| This subclass is indented under subclass 8. Processes involving forming a fabric of the well know open
work or net construction commonly provided with integral surface
patterns or designs, which are formed either by open work differing
from the ground fabric, or by portions more dense than the ground
fabric.
| (1)
Note. While these fabrics are inherently variation type, they
are here collected on the basis of pattern or design variation, whereas
those in subclass 11 are classified on the basis of fabric outline
variation. |
SEE OR SEARCH THIS CLASS, SUBCLASS:
3, | through 4 for other fabrics having a strand passing one or
more times about another strand where the fabric is formed by other
than a braiding operation. |
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11 | Variable form: |
| This subclass is indented under subclass 8. Processes wherein the outline of the fabric (as distinguished
from its pattern due to strand spacing, color, etc.) is varied;
and the resulting products.
| (1)
Note. This may be by forming projections, eyes or apertures
(other than as defined in subclass 10), furcations, by the addition
or subtraction of strands, etc. | |
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12 | Knotted mesh: |
| This subclass is indented under the class definition. Processes involving forming a fabric by tying knots at the
junction points of the strands; and the resulting products.
| (1)
Note. The fabric may be of single or plural strand construction. | |
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14 | With pattern mechanism: |
| This subclass is indented under the class definition. Apparatus in which a pattern mechanism (such as a jacquard,
a pattern sheet, cam mechanism, etc.) is used to control operation
of the machine for any purpose, such as to produce a design on or
to control the shape of a fabric.
| (1)
Note. For other pattern mechanisms, see the Index to the U.S.
Patent Classification System, the title "Pattern and Pattern
Control". | |
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17 | For braiding apparatus of arrestable carrier type: |
| This subclass is indented under subclass 14. Apparatus in which certain braiding carriers may be stopped
in their travel, in predetermined sequence, and then permitted to
resume travel, such stopping and resumption of travel being under
the control of the pattern mechanism.
SEE OR SEARCH THIS CLASS, SUBCLASS:
39 | through 40 for such machines without pattern mechanisms. |
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18 | With stopping or starting: |
| This subclass is indented under the class definition. Apparatus provided with means, either automatically or manually
controlled, for either or both stopping or starting the entire apparatus.
| (1)
Note. Apparatus wherein the operation is initiated by means
which sense a condition of a strand, such as absence of abnormal
tension are here classified. |
SEE OR SEARCH CLASS:
192, | Clutches and Power-Stop Control,
subclasses 116.5 through 150, particularly subclasses 125+ for stop
mechanism not restricted to apparatus for this class (87). |
226, | Advancing Material of Indeterminate Length,
subclass 43 for devices that stop movement of material advances upon
sensing position of material. |
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19 | Electrical: |
| This subclass is indented under subclass 18. Apparatus wherein the strand condition detecting means operate
through electrical means to cause the stopping.
| (1)
Note. The strand condition detector may be an element of a
switch or may operate through other elements to effect operation
of an electrical means. |
SEE OR SEARCH CLASS:
192, | Clutches and Power-Stop Control,
subclass 127 for material controlled electrically operated power
stop devices. |
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20 | With automatic control: |
| This subclass is indented under the class definition. Apparatus provided with means that will sense a condition
or change of condition; and will then effect the operation of some
other device or portion thereof.
| (1)
Note. An example is where the operation of the machine or
a portion thereof is governed by strand or fabric tension. |
SEE OR SEARCH THIS CLASS, SUBCLASS:
14, | through 17 for pattern mechanism control. |
18, | through 19 for automatic control of starting or stopping. |
SEE OR SEARCH CLASS:
226, | Advancing Material of Indeterminate Length,
subclass 10 for devices that sense and control accordingly
the movement of material of indeterminate-length. |
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21 | Let offs: |
| This subclass is indented under subclass 20. Apparatus wherein the automatic control governs the paying
out of the supply on strand carriers by releasing the carrier for
free rotation.
| (1)
Note. The devices in this subclass are those wherein brakes
and analogous devices are regulated for the most part by strand
tension. | |
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22 | Ratchet type: |
| This subclass is indented under subclass 21. Apparatus wherein the carrier is provided with a ratchet
or ratchet-like device that prevents unwinding of the supply except
under the operation by the automatic control (usually by tension
of the strand itself).
| (1)
Note. Discs or drums with pins or holes and holding means
coacting therewith are considered ratchet-like devices. | |
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23 | With coating or impregnating: |
| This subclass is indented under the class definition. Apparatus having means for applying a coating or an impregnating
material to the strands and/or to the fabric at any time
relative to the production of the fabric.
| (1)
Note. The coating or impregnating material may be a non-plastic
plasticizeable material which, at some stage of manufacture, or
subsequently, is rendered plastic. |
SEE OR SEARCH THIS CLASS, SUBCLASS:
1, | for corresponding processes and products. |
SEE OR SEARCH CLASS:
118, | Coating Apparatus, pertinent subclasses as determined by schedule review
for coating apparatus, per se. |
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24 | Intertwisted strand type: |
| This subclass is indented under the class definition. Apparatus for producing fabric structure by twisting together
strands and/or intertwisting strands at junction points,
to form mesh, net or lace type of fabric.
| (1)
Note. These devices for the most part produce polygonal mesh
fence fabrics. |
SEE OR SEARCH THIS CLASS, SUBCLASS:
3, | through 4 for corresponding processes and products. |
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25 | Portable: |
| This subclass is indented under subclass 24. Apparatus which may be moved from place to place or which
may move along the floor or ground during fabric production.
| (1)
Note. These devices for the most part are designed to produce
wire fences in situ. | |
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26 | With diverse material incorporating: |
| This subclass is indented under subclass 25. Apparatus including means to incorporate in the product
some material (of strand or other form) in addition to the strands
that are intertwisted to form the fabric.
| (1)
Note. The intertwisted strand fabric would be complete without
the additional strands. |
SEE OR SEARCH THIS CLASS, SUBCLASS:
28, | through 30 for other such combinations. |
33, | through 51 for braiding machines capable of causing a strand
to pass one or more times about another strand by a braiding operation,
particularly subclasses 37 through 40. |
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27 | Twist or bobbinet lace: |
| This subclass is indented under the class definition. Apparatus for producing fabrics such as tulle, curtain lace,
etc.
| (1)
Note. These machines are of the general type of Levers or
go-through lace-machines. A plurality of thin shuttles or "carriages" containing
shuttles and/or bobbins passed transversely across a plurality
of longitudinal threads including warp, spool, beams, etc. threads.
By a lateral shogging of either the carriages or the warp threads,
one or more carriage spaces between successive carriage passages,
the bobbin threads twist about the warp threads and ties them together
or in place at predetermined points to form the lace pattern. There
is no intertwisting of the longitudinal warp, etc. threads. |
SEE OR SEARCH THIS CLASS, SUBCLASS:
4, | for corresponding processes and products. |
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28 | With diverse material incorporating: |
| This subclass is indented under the class definition. Apparatus including means to incorporate in the product
some material (of strand or other form) which does not partake of
the movements of interrelating of the strands forming the fabric.
| (1)
Note. In general, the fabric basically produced is complete
without the incorporated material. |
| (2)
Note. Incorporating independent selvage strand in a fabric
is classified here. |
SEE OR SEARCH THIS CLASS, SUBCLASS:
1, | and subclasses 5 through 7 for corresponding processes
and products. |
23, | and 26, for other apparatus combinations. |
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29 | Tubular fabric with core: |
| This subclass is indented under subclass 28. Apparatus for forming a substantially tubular fabric about
a core which becomes a part of the complete fabric.
SEE OR SEARCH THIS CLASS, SUBCLASS:
6, | for corresponding processes and products. |
34, | for devices which form a fabric about a mandrel. |
SEE OR SEARCH CLASS:
139, | Textiles: Weaving,
subclasses 457 through 16, for circular progressive shedding weaving machines. |
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30 | Braided with unbraided material: |
| This subclass is indented under subclass 28. Apparatus which include means for introducing strands or
other material into a braided fabric, which strands or other material
do not partake of the movements which effect the braiding of the
fabric.
| (1)
Note. These strands may be "warps", fillers,
stuffers, independent selvage strands, etc. |
SEE OR SEARCH THIS CLASS, SUBCLASS:
7, | for corresponding processes and products. |
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31 | With take up: |
| This subclass is indented under the class definition. Apparatus for forwarding the completed fabric through the
machine and/or for winding it up.
SEE OR SEARCH CLASS:
242, | Winding, Tensioning, or Guiding,
subclasses 520 through 548.4for convolute winding in general. |
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32 | Combined: |
| This subclass is indented under the class definition. Apparatus claiming characteristics in addition to the features
necessary to the feeding of the strand material, the interrelation
thereof and the appropriate mechanism for operating the machine;
and not provided for in the preceding subclasses.
| (1)
Note. For example, here are collected, as originals and cross
references, combinations with gauges, signals or indicators, cutters,
lubricators, dust shields, oil shields, etc. | |
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33 | Braiding: |
| This subclass is indented under the class definition. Apparatus for forming strands or fabrics by the operations
commonly known as "braiding" or "plaiting".
| (1)
Note. Bobbins, or carriers having bobbins thereon, are caused
to travel in predetermined paths and they either pass each other
so as to interlace strands, or strands leading from certain bobbins
are caused to pass other bobbins to cause interlacing of the strands. |
| (2)
Note. The May-pole dance is a well known example of the basic
operation of braiding. Some simple braiding mechanisms are known
as May-pole braiders. |
SEE OR SEARCH CLASS:
139, | Textiles: Weaving,
subclass 457 through 16and indented subclasses for circular progressive
shedding weaving machines. |
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34 | With mandrel or form: |
| This subclass is indented under subclass 33. Apparatus having fixed or moving guiding devices over which
a braid, or some portion thereof, is formed and from which it is
subsequently removed.
| (1)
Note. These devices merely maintain the form of the braid
during the braiding operation |
| (2)
Note. Such part may be so formed as to effect an additional
shaping function. | |
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35 | With die or shaper: |
| This subclass is indented under subclass 33. Apparatus which condense and compact the fabric and/or
give it a permanent set or form, during production.
SEE OR SEARCH THIS CLASS, SUBCLASS:
29, | for forming tubular or tube-like braids about a
core. |
34, | for forming about a subsequently removed mandrel
that drapes the same. |
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36 | With beater or strand layer: |
| This subclass is indented under subclass 33. Apparatus having means for pushing or laying the interrelated
strands properly into the fabric.
SEE OR SEARCH THIS CLASS, SUBCLASS:
24, | through 27 and 53 for combinations of beat-up means
with intertwisted strand type and knotted mesh-type machines. |
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37 | With movable switch for carrier: |
| This subclass is indented under subclass 33. Apparatus including movable controllers mounted adjacent
the path of traveling carriers for directing the carriers in diverse
predetermined paths.
SEE OR SEARCH THIS CLASS, SUBCLASS:
16, | for pattern control of such apparatus. |
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38 | Carrier actuated: |
| This subclass is indented under subclass 37. Apparatus in which the switches are moved by one carrier
to direct a following carrier or an oppositely moving carrier in
its proper path. |
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39 | Arrestable carrier type: |
| This subclass is indented under subclass 33. Apparatus having means for withdrawing certain carriers
from their normal paths and holding them out of operation, or for
stopping certain carriers during the operation of other carriers.
SEE OR SEARCH THIS CLASS, SUBCLASS:
17, | for pattern control of such apparatus. |
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40 | With clutch: |
| This subclass is indented under subclass 39. Apparatus in which each carrier operating or propelling
device is provided with an individual clutch device to couple it
to the driving mechanism of the braiding machine.
SEE OR SEARCH THIS CLASS, SUBCLASS:
17, | for pattern control of such apparatus. |
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41 | With braid variation: |
| This subclass is indented under subclass 33. Braiding apparatus in which (1) means are provided for braiding
a fabric having other than uniform characteristics (as by having
different appearance braid in different areas, having specially-formed
apertures, having branches, etc.) or (2) having means to change
the braiding operation to produce braids of different appearance
even though the disclosure is that any single produced fabric is
to be of uniform appearance.
| (1)
Note. See appropriate preceding subclasses for particular
combinations or types of apparatus within this definition. |
SEE OR SEARCH THIS CLASS, SUBCLASS:
14 | through 17 for pattern control combinations. |
37, | through 38 for machines having switches. |
39 | through 40 for apparatus having arrestable carriers. |
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42 | Interlocking twist type: |
| This subclass is indented under subclass 33. Apparatus in which all carriers travel in the same directions
about an axis and in which (1) each carrier is additionally moved
in such a path as to travel alternately about two adjacent carriers;
or (2) strands leading from certain carriers are passed alternately
about certain other carriers adjacent to the path of movement of such
strands.
| (1)
Note. The carrier travels about the axis of the fabric twists
all strands about such axis. |
SEE OR SEARCH THIS CLASS, SUBCLASS:
33, | for braiding apparatus producing interlocked strand
type fabrics without the twist. |
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43 | With reciprocating carrier: |
| This subclass is indented under subclass 33. Apparatus in which certain carriers travel in predetermined
reciprocatory paths across the path of travel of carriers travelling
in orbital paths. |
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44 | Concentric circular orbit type: |
| This subclass is indented under subclass 33. Apparatus in which the carriers are divided into two or
more sets or groups all traveling in concentric circular orbits
and in which strands from one set are guided in and out about the carriers
of another set, means being provided to permit free passage of such
strands during travel of the carriers. |
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45 | Rack and gear carrier propellers: |
| This subclass is indented under subclass 44. Apparatus in which the carriers of one set are provided
with interrupted rack and gear driving means to permit passage of
threads from another set about such carriers. |
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46 | Intermittently retractible carrier propellers: |
| This subclass is indented under subclass 44. Apparatus in which the carrier driving means of one set
of carriers is provided with two or more "pushers" alternately
engaging a carrier to propel it and to permit passage of strands about
the carrier. |
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47 | Rotating: |
| This subclass is indented under subclass 46. Apparatus in which the "pushers" rotate
to engage the carriers. |
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48 | Strand deflecting devices: |
| This subclass is indented under subclass 44. Apparatus claiming the means for deflecting the strands
leading from one set of carriers in and out past a second set of
carriers.
| (1)
Note. The organized machine should not be claimed. Where any
features of organization or structure not common to all machines
of this type are claimed, the patent is placed in the appropriate
preceding subclass; i.e., this subclass takes those means providing
for strand deflection, per se, or in combination with a broad statement
of general known types of machine organization. |
| (2)
Note. Since strand deflection is a necessary feature of all
machines of this type, search on this subcombination must be completed
in subclass 44 and the other indented subclasses. | |
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49 | With strand anti-twist means: |
| This subclass is indented under subclass 33. Apparatus including means to prevent twisting or to cause
untwisting of a strand leading from a carrier as it is laid into
the fabric (so that, for example, a flat strand may be laid always
with the same side out). |
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50 | Carrier propelling and/or guiding means: |
| This subclass is indented under subclass 33. Apparatus including the means for causing braiding carriers
to travel in predetermined intersecting paths.
| (1)
Note. This subclass includes, for example, raceways, horn
gears, fixed guides and other means for causing such travel, not
elsewhere provided for. |
SEE OR SEARCH THIS CLASS, SUBCLASS:
16, | and 37 through 38 for this subject matter combined
with switches. |
42, | for carrier guiding and propelling for interlocking
twist type. |
44 | through 47 for circular orbit type. |
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51 | Without race plate: |
| This subclass is indented under subclass 50. Apparatus in which no raceplate or similar fixed guiding
means is provided and the carriers are clutched or clamped to the
propelling devices during travel between points of transfer from
one propelling device to another. |
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52 | Tatting: |
| This subclass is indented under the class definition. Apparatus in which means are provided for forming the lace-like
fabric of knotted or looped form commonly known as tatting.
| (1)
Note. This subclass includes manual means enabling or assisting
the operator to form the loops, through which the tatting shuttle
is passed, in hand tatting. | |
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53 | Knotted mesh fabric: |
| This subclass is indented under the class definition. Apparatus in which net or mesh fabrics are produced by tying
knots in strands at their points of juncture.
| (1)
Note. This subclass is distinguished from subclass 52 in that
those devices are for making a lace-like fabric of predetermined
design while these are for making regular mesh net-like fabrics,
such as, for example, seines. |
SEE OR SEARCH CLASS:
289, | Knots and Knot Tying, pertinent subclasses as determined by schedule review
for knot tyers, per se. |
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56 | With strand tensioning means: |
| This subclass is indented under subclass 55. Apparatus provided with means to apply tension to strands
leading from the carrier.
SEE OR SEARCH THIS CLASS, SUBCLASS:
61, | for miscellaneous tension devices. |
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57 | Let offs: |
| This subclass is indented under subclass 56. Apparatus in which the tension is imposed by means retarding
or opposing the rotations of the spool or bobbin mounted on the
carrier.
SEE OR SEARCH THIS CLASS, SUBCLASS:
21, | through 22 for let-offs operated or controlled in their operation
by changing tension in the strands. |
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58 | Tatting type: |
| This subclass is indented under subclass 54. Apparatus designed for use in forming tatting, usually manually
operated, and often provided with hooks and the like to assist the
operator in making loops. |
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59 | With rewinding means: |
| This subclass is indented under subclass 58. Apparatus having means to wind strand material on the bobbin
without removing the same from the shuttle.
SEE OR SEARCH CLASS:
242, | Winding, Tensioning, or Guiding,
subclass 472 for a device for winding strand onto a hand tool,
such as a shuttle. |
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60 | Seine needles: |
| This subclass is indented under subclass 54. Apparatus consisting of manual implements usually provided
with means to hold a supply of strand material and used in forming
seines and other knotted fabrics. |
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61 | Strand tensioners: |
| This subclass is indented under the class definition. Miscellaneous strand tensioning devices for apparatus coming.
SEE OR SEARCH THIS CLASS, SUBCLASS:
56 | through 57 for braiding carriers with strand tensioning
means. |
SEE OR SEARCH CLASS:
66, | Textiles: Knitting,
subclass 146 for strand tensioners combined with knitting machines. |
226, | Advancing Material of Indeterminate Length,
subclass 195 for devices for placing tension on material of
indeterminate-length. |
242, | Winding, Tensioning, or Guiding,
subclasses 410 through 423.2for tension running material. |
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