Stock material or miscellaneous articles – Structurally defined web or sheet – Including fastener for attaching to external surface
Patent
1998-12-11
2000-11-07
Thomas, Alexander
Stock material or miscellaneous articles
Structurally defined web or sheet
Including fastener for attaching to external surface
428 641, 428 667, 428217, 428119, 2482058, 248363, 2482062, B32B 104
Patent
active
061433918
ABSTRACT:
A one-piece, dual-material suction cup includes an inner face having a concave shape when the cup is inactive (that is, unattached to a surface) and an outer portion having a convex shape when the cup is inactive. The inner and outer portions are formed from different elastic materials. The characteristics of the outer material are selected to exhibit relatively high memory, elasticity and recovery to provide a biasing force on the inner face of the cup to increase the vacuum and enhance attachment. The characteristics of the inner material are selected to exhibit conformity, compliance and softness as compared to the outer material. Such characteristics enhance mating and sealing with a surface to which the cup is to be attached. The inner and outer portions are permanently bonded together to form the one-piece suction cup.
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Barnes Kevin J.
Flesher Robert W.
Monteleone Michael D.
Apogee Designs, Ltd.
Thomas Alexander
LandOfFree
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