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Color Curly Brackets (indicating CPC extensions to IPC) References Date Revised
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CPC
COOPERATIVE PATENT CLASSIFICATION
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MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARY MATERIAL TO OBTAIN FIBRES OF FILAMENTS, e.g. FOR SPINNING (crude extraction of asbestos fibres from ores B03B; apparatus for retting D01C) [2013‑01]
NOTE

  • Attention is drawn to the note following the title of Class D01
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Mechanical separation of fibres from plant material, e.g. seeds, leaves, stalks [2013‑01]
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D01B 1/02
.
Separating vegetable fibres from seeds, e.g. cotton [2013‑01]
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. .
Ginning [2013‑01]
D01B 1/06
. . .
Roller gins, e.g. Macarthy type [2013‑01]
D01B 1/08
. . .
Saw gins [2013‑01]
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D01B 1/10
.
Separating vegetable fibres from stalks or leaves [2013‑01]
. .
Rippling [2013‑01]
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. .
Breaking or scutching, e.g. of flax; Decorticating [2013‑01]
D01B 1/16
. . .
with devices dependent on a bending action to break or loosen fibre-bearing materials (crushing rollers D01B 1/22) [2013‑01]
D01B 1/18
. . .
With stamping devices [2013‑01]
D01B 1/20
. . .
with scraping devices [2013‑01]
D01B 1/22
. . .
with crushing or breaking rollers or plates [2013‑01]
D01B 1/24
. . .
with toothed or other pointed devices [2013‑01]
D01B 1/26
. . .
with beaters rotating about an axis parallel with the fibre bundle [2013‑01]
D01B 1/28
. . .
with beaters rotating about an axis perpendicular to the fibre bundle [2013‑01]
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D01B 1/30
. . .
Details of machines [2013‑01]
D01B 1/32
. . . .
Feeding arrangements [2013‑01]
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D01B 1/34
. . . .
Devices holding fibres or fibre-bearing materials during treatment [2013‑01]
D01B 1/36
. . . . .
Conveying devices, e.g. moving bands or ropes [2013‑01]
D01B 1/38
. . . .
Delivery or discharge arrangements [2013‑01]
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D01B 1/40
. . . .
Arrangements for disposing of non-fibrous materials [2013‑01]
D01B 1/42
. . . . .
employing liquids [2013‑01]
D01B 1/44
. . . .
Framework; Casings; Coverings; Grids [2013‑01]
D01B 1/46
. . . .
Driving arrangements [2013‑01]
. .
Drying retted fibres [2013‑01]
D01B 1/50
.
Obtaining fibres from other specified vegetable matter, e.g. peat, Spanish moss [2013‑01]
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Mechanical removal of impurities from animal fibres (carbonising rags to recover animal fibres D01C 5/00) [2013‑01]
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D01B 3/02
.
De-burring machines or apparatus (de-burring arrangements forming part of or intimately associated with carding or drafting machines, e.g. burr-crushing rollers, D01G) [2013‑01]
D01B 3/025
. .
{
Removing pieces of metal
}
[2013‑01]
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D01B 3/04
.
Machines or apparatus for washing or scouring loose wool fibres [2013‑01]
D01B 3/06
. .
with circular movement of either wool or liquid [2013‑01]
D01B 3/08
. .
with longitudinal movement of either wool or liquid [2013‑01]
D01B 3/10
. .
Details of machines or apparatus [2013‑01]
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Hackling or heckling machines (hand heckling tools D01G 33/00) [2013‑01]
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D01B 5/02
.
Details [2013‑01]
D01B 5/04
. .
Apparatus for feeding, holding, or conveying materials to or in machines [2013‑01]
D01B 5/06
. .
Construction, mounting, or operating features of heckling devices [2013‑01]
D01B 5/08
. .
Arrangements for removing, or disposing of, tow or waste [2013‑01]
D01B 5/10
. .
Touch pins or other ending devices [2013‑01]
D01B 5/12
. .
Framework; Casings; Coverings [2013‑01]
D01B 5/14
. .
Driving arrangements [2013‑01]
D01B 5/16
. .
Arrangements for confining or removing dust or the like [2013‑01]
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Obtaining silk fibres or filaments [2013‑01]
D01B 7/02
.
Cleaning or classifying silk cocoons [2013‑01]
.
Reeling silk [2013‑01]
D01B 7/06
.
Obtaining silk from cocoons or portions thereof not suitable for reeling (de-gumming silk D01C 3/02) [2013‑01]
Other mechanical treatment of natural fibrous or filamentary material to obtain fibres or filaments [2013‑01]
This page is owned by Office of Patent Classification.
Last Modified: 10/10/2013