Plastic and nonmetallic article shaping or treating: processes – With severing – removing material from preform mechanically,... – Forming continuous work followed by cutting
Reexamination Certificate
2006-06-06
2006-06-06
Eashoo, Mark (Department: 1732)
Plastic and nonmetallic article shaping or treating: processes
With severing, removing material from preform mechanically,...
Forming continuous work followed by cutting
C264S166000, C264S167000, C264S171130
Reexamination Certificate
active
07056462
ABSTRACT:
A method of making a fastener product having discrete regions of fastener element stems extending from a strip-form base includes providing a gap formed along a peripheral surface of a rotating mold roll, the mold roll having a plurality of cavities exposed about the peripheral surface. A sleeve is introduced to the gap. The sleeve is positioned about the mold roll and covers selected cavities. Molten resin is introduced to the gap such that the resin forms at least a part of the strip-form base of the product at the peripheral mold roll surface and at least partially fills a plurality of the cavities to form fastener element stems as projections extending from the strip-form base, while the resin remains blocked from said selected ones by the sleeve. The resin is solidified and stripped from the peripheral surface of the mold roll by pulling the projections from their respective cavities.
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Clune William P.
Provost George A.
Shepard William H.
Eashoo Mark
Fish & Richardson P.C.
Velcro Industries B.V.
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