Sealing apparatus

Details Sealing apparatus Sealing apparatus

1975-01-23

1976-09-14

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

53 39, 156203, 156217, 156218, 156466, 156498, 156499, B32B 3100

Patent

active

039805158

ABSTRACT:
Apparatus for sealing together portions of material having a sealable plastics coating includes opposed jaws each carrying a guide rail with a slot to receive marginal edges of the material and to spread these edges apart. Hot air is blown onto the spread apart edges to soften the plastics material. The edges are then urged together to form a seam which is accurately defined by the jaws.

REFERENCES:
patent: 3248843 (1966-05-01), Winters et al.
patent: 3855037 (1974-12-01), Imhagen et al.

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