A - Human Necessities – 44 – B
Patent
A - Human Necessities
44
B
26/172
A44B 19/18 (2006.01) A44B 19/12 (2006.01) B26D 3/00 (2006.01) B26D 3/30 (2006.01) B29D 5/04 (2006.01)
Patent
CA 2005170
A method of forming a chain of meandering or zig-zag coupling elements for slide fasteners comprises dividing or bifurcating a continuous length of substantially cross-sectionally circular monofilamentary material axially into identical halves of substantially semi-circular cross-section immediately prior to introduction to a forming apparatus. The identical halves may be provisionally joined together to provide a cross-sectionally circular monofilament and divided back into respective halves immediately prior to formation thereof into respective rows of coupling elements for slide fasteners.
Gowling Lafleur Henderson Llp
Ykk Corporation
LandOfFree
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