Method and apparatus for attaching a strip of material transvers

Details Method and apparatus for attaching a strip of material transvers Method and apparatus for attaching a strip of material transvers

1976-04-19

1978-04-11

Whitby, Edward G.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156256, 156527, 156556, 1565801, 228 1A, 228110, 264 23, B32B 3120

Patent

active

040837378

ABSTRACT:
Apparatus for and method of attaching a strip of a first material having a hot melt adhesive on both sides thereof to a second web of material. A web of first material is advanced toward and through a cutting station a distance substantially equal to the width of the strip to be formed therefrom and a strip is cut from the end of the web. The cut strip is held on the moving cutting member and is transferred to an anvil on a rotary transfer drum while the drum is stationary. The transfer drum is then rotated, with the strip on an anvil thereof, to a tacking station where a second web of material is supplied at a substantially constant velocity. The strip on the anvil is moved through the tacking station at a velocity substantially equal to the velocity of the second web and is brought into contact with a first surface of the second web. The tacking station includes ultrasonic transducer means arranged to contact the other surface of the second web as the strip is brought into contact with the first surface thereof, thereby compressing the strip and the second web and tacking the strip to the first surface of the second web.

REFERENCES:
patent: 3671366 (1972-06-01), Miller
patent: 3684608 (1972-08-01), Schmitz et al.
patent: 3787257 (1974-01-01), Akerlund
patent: 3957570 (1976-05-01), Helm
patent: 3963557 (1976-06-01), Patterson

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