Method of fusing nylon filament to nylon block
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United States of America Patent
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Jun 16, 1998
Issued Date -
N/A
app pub date -
Jan 17, 1997
filing date -
Oct 10, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process is described for providing a tufted construction consisting entirely of nylon material wherein at least on tuft is joined to a brush block by fusion thereof. According to the process of this invention a non-working end of said tuft is fused simultaneously with a tuft receiving portion of said block and the two are joined immediately whereby the products fuse and cool before degradation of products in substantial amounts can be formed. The heat applied to fuse said materials is at least 350.degree. F. over the melting point and the duration of time from application of heat to fusion jointer is less than 3 seconds.
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