A - Human Necessities – 41 – F
Patent
A - Human Necessities
41
F
154/29.02
A41F 1/00 (2006.01) B26F 3/06 (2006.01) B29C 65/00 (2006.01) B29C 65/08 (2006.01) B29C 65/74 (2006.01) B29C 65/78 (2006.01) D06H 5/00 (2006.01)
Patent
CA 1113361
ABSTRACT OF THE DISCLOSURE 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 material having elements spaced therealong and layers at least in the body portion forming part thereof. The material is weldable with ultrasonic vibratory energy, and the tabs are separated physically from each other while simultaneously maintained in acoustical energy coupling relation to each other, such that the individual layers of material in the strip are welded to- gether across the body portion of a tape defined thereby and the tabs are individually welded along an edge but not welded together when interposed between an ultrasonically vibrating horn and an anvil. The strip is advanced on an intermitten basis between the horn and the anvil by the elements for con- tinuously producing tapes having a desired number of elements thereon. The separating of the tabs is obtained by interposing an insulation element of material characterized in that it does not bond to the material under ultrasonic vibration but simul- taneously permits the vibratory energy to be transmitted there- through.
286173
Clarke Robert A.
Kuhl Peter J.
Paschke Richard H.
Cavitron Corporation
Swabey Ogilvy Renault
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