Mechanism for making a flexible closure

Details Mechanism for making a flexible closure Mechanism for making a flexible closure

1973-08-31

1976-01-13

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With gas, vapor, or flame contact means for work

156244, 156498, 156499, 156500, B29C 2300

Patent

active

039322572

ABSTRACT:
A mechanism for attaching to a laminated plastic sheet a fastener profile wherein the preformed sheet is removed from a roll and passed through a heating chamber having controlled humidity and thereafter passing said sheet over a roll which forms a joining zone with an extruded plastic profile strip fed onto the sheet with a jet of air directed thereagainst, and the joined sheet and strip thereafter passing through a chamber where the strip is cooled and the heat in the sheet is maintained.

REFERENCES:
patent: 2715088 (1955-08-01), Gunning
patent: 3034941 (1962-05-01), Hessenthaler et al.
patent: 3042568 (1962-07-01), Ludowic et al.
patent: 3053725 (1962-09-01), Uhleen
patent: 3116194 (1963-12-01), Looser
patent: 3462332 (1969-08-01), Goto
patent: 3532571 (1970-10-01), Ausnit
patent: 3575762 (1971-04-01), Goehring et al.

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