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Color Curly Brackets (indicating CPC extensions to IPC) References Date Revised

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