Method for manufacturing fishing net
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United States of America Patent
Stats
-
Oct 20, 2020
Grant Date -
Jan 17, 2019
app pub date -
Jul 12, 2018
filing date -
Jul 14, 2017
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Provided is a method for manufacturing a fishing net formed from a plastic net that can be handled by winding or folding although the net has plastic rigidity. The fishing net is manufactured by (1) a step of preparing a multifilament yarn formed by bundling a plurality of core-sheath type composite filaments, in each of which a core component is made of polyethylene terephthalate and a sheath component is made of polyolefin, (2) a step of preparing a yarn thread obtained by paralleling a plurality of the multifilament yarns, (3) a step of twisting or braiding four yarn threads 11, 12, 13, 14 to obtain a net constructed with strands 1 and intersections 2, (4) a step of heat-treating the net under without pressure to melt the sheath component of the yarn threads 11, 12, 13, 14 constituting the strands 1 and the intersections 2, followed by solidifying, thus obtaining a plastic net, and (5) a step of forming the fishing net using the plastic net.
First Claim
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International Classification(s)
- D01D:MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE....
- D01C:CHEMICAL TREATMENT OF NATURAL FILAMENTARY OR FIBRO....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- D04C:BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-....
- B29D:PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FRO....
- A01K:ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; ....
- B29K:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, ....
- B29L:INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RE....
- D02G:CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR T....
- D01F:CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL....
- D04H:MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAME....
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