Tool for welding together two plastics films wrapping an object

Details Tool for welding together two plastics films wrapping an object Tool for welding together two plastics films wrapping an object

1974-03-18

1976-01-20

Drummond, Douglas J.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With cutting, punching, piercing, severing, or tearing

156583, 53182, B65B 912, B65B 5130

Patent

active

039335690

ABSTRACT:
A tool for interconnecting by means of welding two webs of a plastics film enclosing a package of goods, said tool comprising two sections arranged to be pressed against one another while securely holding and welding together said film webs and thereafter separate said webs from one another after welding. The tool comprises means arranged to tighten the film around the goods while maintaining the stretch of film web extending from the welding point towards the web supply rolls in a tension-free condition during the welding operation proper so as to ensure a high-quality and durable welding seam.

REFERENCES:
patent: 3236024 (1966-02-01), Bradley et al.
patent: 3517479 (1970-06-01), Pinkham
patent: 3596434 (1971-08-01), Zelnick
patent: 3672116 (1972-06-01), Ingmarson
patent: 3690090 (1972-09-01), Van deBilt
patent: 3739547 (1973-06-01), Brevko et al.

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