Coating processes – Nonuniform coating – Edge or border coating
Patent
1975-10-16
1978-09-05
Smith, Ronald H.
Coating processes
Nonuniform coating
Edge or border coating
427294, 427295, 427296, B05D 500
Patent
active
041121503
ABSTRACT:
A waterproof slide type fastener or zipper assembly featuring side by side tape means the adjacent edges of which mount cooperatively designed interlocking loops or coils wherein the tapes and loops are coated and filled with a resilient material in the nature of a room temperature vulcanizable silicone rubber compound. The arrangement is such that the interlocking of the loops on the respectively adjacent edges of the tapes, through the medium of a slide type closure element, causes a compression and sealing adherence of the contained resilient material which forms a releasable but positive seal and bond between the parts. The energy stored in the compression of the resilient material insures against passage of water in the vicinity of the interlocking loops while permitting their ready separation, as and when required.
The invention also contemplates a simple and inexpensive way of using vacuum to apply the resilient material to the loops or coils and their connected tapes.
REFERENCES:
patent: T857046 (1968-12-01), Eels et al.
patent: 1719856 (1929-07-01), Sipe
patent: 1929083 (1933-10-01), Sipe
patent: 2016316 (1935-10-01), Collins
patent: 2079563 (1937-05-01), Reuter
patent: 2684307 (1954-07-01), Knapman
patent: 3035956 (1962-05-01), Gonda
patent: 3389441 (1968-06-01), Heimberger
patent: 3490109 (1970-01-01), Heimberger
patent: 3514314 (1970-05-01), Nemeth
patent: 3937855 (1976-02-01), Gruenwald
Brown Michael A.
Shade Steven F.
Bell Janyce A.
Bloom Jerome P.
Smith Ronald H.
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