Applying a reinforcement film to sheets

Details Applying a reinforcement film to sheets Applying a reinforcement film to sheets

1993-03-03

1994-04-19

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 64, 156202, 156355, 156364, 156479, 156522, B26D 500

Patent

active

053042751

ABSTRACT:
A reinforcing strip is applied to sheets by longitudinally advancing a leading sheet while the strip is adhered to it along a travel path to a downstream stop station and thereby drawing the strip from a supply and extending it longitudinally through an upstream stop station while simultaneously adhering the strip to the full length of the leading sheet. Then the leading sheet is arrested in the downstream stop station while a trailing sheet upstream of the arrested leading sheet is advanced downstream until a leading edge of the trailing sheet engages an upstream stop in the upstream station immediately upstream of a trailing edge of the leading sheet. The trailing sheet is then arrested with its leading edge engaging the upstream stop which it pushes downstream against the upstream edge of the leading sheet. Generally simultaneously the strip is adhered upstream of the upstream stop to the trailing sheet and the strip is severed at the upstream stop between the leading and trailing sheets. The leading sheet is then advanced longitudinally away from the upstream stop and the upstream stop is moved out of the path to longitudinally advance the trailing sheet downstream while the strip is adhered to it to the downstream stop station while drawing the strip from the supply and extending the strip through the upstream stop station. The cycle is repeated with the trailing sheet taking the place of the leading sheet and with another sheet following the trailing sheet and taking its place.

REFERENCES:
patent: 3926713 (1975-12-01), Lowe
patent: 4278488 (1981-07-01), Kopacz et al.
patent: 4680079 (1987-07-01), Tanaka
patent: 4698114 (1987-10-01), Lowe
patent: 4714504 (1987-12-01), Cummings et al.
patent: 4985096 (1991-01-01), Bekker-Madsen
patent: 4986864 (1991-01-01), Heim et al.

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