Apparatus for water tight seaming of flexible thermoplastic shee

Details Apparatus for water tight seaming of flexible thermoplastic shee Apparatus for water tight seaming of flexible thermoplastic shee

1974-11-01

1976-05-18

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

156499, 156582, A47C 3100, B32B 3160

Patent

active

039575640

ABSTRACT:
An apparatus for bonding an elongate reinforcing strip of flexible material to an envelope, comprising a frame, a first stationary head assembly, a second head assembly, cooperating opposed drive roll means on said first and second head assemblies, reel means mounted on said frame and a heat gun mounted in said second head assembly.

REFERENCES:
patent: 1458801 (1923-06-01), Brundage
patent: 2422676 (1947-06-01), Haman et al.
patent: 2941576 (1960-06-01), Schenkengel
patent: 3530027 (1970-09-01), Nickols
patent: 3577910 (1971-05-01), Feldkamp

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