Cooperative Patent Classification


CPC Definition - Subclass D04G

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Last Updated Version: 2016.11
MAKING NETS BY KNOTTING OF FILAMENTARY MATERIAL; MAKING KNOTTED CARPETS OR TAPESTRIES; KNOTTING NOT OTHERWISE PROVIDED FOR (binding knotters for harvesters A01D 59/04; wire netting B21F; tying articles by knotting B65B; knotting in association with winding or unwinding B65H 69/00; knotting in weaving D03J; making nets, carpets, or tapestries by other techniques, see the relevant subclasses)
Definition statement

This place covers:

Textile articles including knots to secure members, e.g. beads or tufts, or to connect threads for forming nets machines and methods for making said articles by knotting.

References
Limiting references

This place does not cover:

Knotters for binding harvested produce

Wire network

Tying articles by knotting

Weavers' tools, e.g. knot-tying tools

Making nets by knotting of filamentary material
Definition statement

This place covers:

Knotted nets, methods of hand knotting same and tools for performing said methods.

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References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Fishing nets

Wire network per se

Producing nets by moulding techniques

Load bearing nets

in machines
Definition statement

This place covers:

Details of net knotting machines; machines not limited to knotting particular types of netting; ancillary equipment for use with knotting machines.

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using a single thread
Definition statement

This place covers:

Nets machine-knotted from a single thread, processes for making same and apparatus specifically designed for such processes.

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Nets knotted by hand from a single thread in general

using a single thread and a series of threads
Definition statement

This place covers:

Nets machine-knotted from a single thread and a series of threads, processes for making same and apparatus specifically designed for such processes.

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Nets knotted by hand from a single thread and a series of threads in general

using two series of threads
Definition statement

This place covers:

Nets machine-knotted from two series of threads, processes for making same and apparatus specifically designed for such processes.

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Nets knotted by hand from two series of threads in general

Making knotted carpets or tapestries
Definition statement

This place covers:

Methods of making knotted carpets or tapestries and devices for use in such methods not provided for in one of the subgroups, e.g. tools for preparing tufts

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References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Making pile fabric by tufting

by hand; Tools therefor
Definition statement

This place covers:

Hand tools for knotting tufts into carpet canvas.

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References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Hand tufting needles

in machines
Definition statement

This place covers:

Machines for knotting tufts into carpet backings

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References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Tufting machines

Other knotting
Definition statement

This place covers:

Knotting not provided for in D04G 1/00 or D04G 3/00, e.g. forming knots along a cord; tying rope ends or Macramé work tools and devices for use in such knotting methods

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References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Knotting methods and devices for interconnecting threads

Thread knotting devices in circular knitting machines