Apparatus for connecting a tear-open strip with a film web

Details Apparatus for connecting a tear-open strip with a film web Apparatus for connecting a tear-open strip with a film web

1997-05-13

1999-01-12

Sells, James

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With work feeding or handling means

156555, 156582, 1565834, B32B 3108, B32B 3120

Patent

active

058581677

ABSTRACT:
Sealing rollers (23, 24, 25) serve for connecting tear-open strips with a film web (10) by applying heat and pressure, the sealing rollers (23, 24, 25) resting against the film web (10) in the region of the tear-open strips. Opposite of the sealing rollers (23, 24, 25) there are positioned counter rollers which make it possible to transfer pressure by means of the sealing rollers (23 to 25). The sealing rollers (23 to 25) are heated, specifically by radiant heat from a heated housing (31), which serves as a carrier for the sealing rollers (23, 24, 25).

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Walsroder Offnungshilfen, Wolff Walsrode AG, Walsrode, S. 1-9, Nov. 1984.
JP 1-171846 A., In: Patents Abstracts of Japan, M-877, Oct. 6, 1989, vol. 13, No. 446.

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