Portable hot air sheet welder

Details Portable hot air sheet welder Portable hot air sheet welder

1991-11-12

1993-08-10

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With gas, vapor, or flame contact means for work

156499, 156544, 156574, 156579, B32B 3500

Patent

active

052345335

ABSTRACT:
A portable hot sir sheet welder used for making reservoir liners and covers. The welder is sued to fuse together overlapped edges of lengthy sheets of synthetic rubber material or the like. The welder has a front carriage and a rear carriage both of which have a weight box for removably receiving cast ingot weights. The front carriage has a pair of laterally spaced main drive compression wheels for pressing the overlapped sheets together after they have had their surfaces heated to a sufficiently high temperature by a hot air shoe pounded on the front carriage. A pair of laterally spaced secondary compression wheels are supported from the front end of the rear carriage. An eccentric mechanism attached to the rear carriage provides structure for pivoting the main drive compression wheels upwardly from their pressure producing position.

REFERENCES:
patent: 4087309 (1978-05-01), Lang
patent: 4440588 (1984-04-01), Stevenson et al.
patent: 4533423 (1985-08-01), Johnson et al.
patent: 4743332 (1988-05-01), Black
patent: 4834828 (1989-05-01), Murphy
patent: 4855004 (1989-08-01), Chitjian
patent: 4913772 (1990-04-01), Taylor et al.

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