Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With timing means
Patent
1976-10-29
1977-08-30
Whitby, Edward G.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With timing means
24 73LF, 156459, 156515, 156516, 156543, 228 1A, B32B 3110
Patent
active
040452719
ABSTRACT:
Brassiere tapes having a body portion and a pair of overlapping tabs extending outwardly therefrom are manufactured by providing a continuous strip of the tape having elements thereon and layers of material in the body portion and in each of the tabs weldable with ultrasonic vibratory energy, and separating the tabs physically from each other and simultaneously maintaining the tabs in acoustical energy coupling relationship to each other, such that the individual layers of material in the strip may be simultaneously severed and welded across the body portion and the tabs when interposed between an ultrasonically vibrating horn and an anvil, except for the layers of material in the tabs physically separated from each other. Advancing of the strip is accomplished on an intermittent basis between the horn and the anvil by means of the elements for continuously producing the tapes having a desired number of elements thereon. The separating of the tabs is obtained by interposing therebetween an insulation element produced from a plastic or paper material characterized in that it does not bond to the layers of material in contact with the element but simultaneously permits the vibratory energy to be transmitted therethrough.
REFERENCES:
patent: 3776804 (1973-12-01), Monahan et al.
patent: 3874975 (1975-04-01), Laooain
Clarke Robert Alfred
Kuhl Peter J.
Paschke Richard H.
Cavitron Corporation
Sperber Philip
Whitby Edward G.
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