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US 5,857,245 AGranted
Molded surface fastener with continuous ribs on rear surface
AssigneeYKK Corporation
InventorsKeisuke Sakakibara, Akira Tomohiro
Life of this patent
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Abstract
A surface fastener molded of synthetic resin comprises a substrate sheet, a multiplicity of engaging elements standing on a front surface of the substrate sheet, and continuous ribs integrally formed on a rear surface opposite to an engaging surface of the substrate sheet.
Claims3
A surface fastener of a molded synthetic resin, comprising:
- (a) a substrate sheet;
- (b) a multiplicity of engaging elements standing on an engaging surface of said substrate sheet;
- and
- (c) continuous ribs extending and integrally formed on a rear surface opposite said engaging surface of said substrate sheet, wherein said continuous ribs are in a grid-pattern disposed to extend longitudinally and transversely, intersecting at right angles relative to one another.
1 more element
A surface fastener of a molded synthetic resin, comprising:
- (a) a substrate sheet;
- (b) a multiplicity of engaging elements standing on an engaging surface of said substrate sheet;
- and
- (c) continuous ribs extending and integrally formed on a rear surface opposite said engaging surface of said substrate sheet, wherein said continuous ribs are in a grid-pattern extending diagonally with respect to a longitudinal and a transverse direction relative to said substrate sheet and intersecting one another.
1 more element
A surface fastener of a molded synthetic resin, comprising:
- (a) a substrate sheet;
- (b) a multiplicity of engaging elements standing on an engaging surface of said substrate sheet;
- and
- (c) continuous ribs extending and integrally formed on a rear surface opposite said engaging surface of said substrate sheet, wherein each of said continuous ribs extends on said rear surface of said substrate sheet at positions opposite to spaces between pairs of adjacent of said engaging elements in rows extending longitudinally of said substrate sheet.
1 more element
Dependencies are inferred from the claim text.