Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Automatic and/or material-triggered control
Patent
1984-04-09
1987-12-22
Wityshyn, Michael
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Automatic and/or material-triggered control
156158, 156294, 156366, 156423, 156499, 156579, 219228, 269 6, 269271, 269282, B29C 6502, B29C 6518
Patent
active
047145137
ABSTRACT:
Apparatus for use in fushion welding joints in a plastic pipe system comprising a heating device including a housing providing a rearwardly disposed pistol grip handle, a heating member secured in heat insulating relation to the housing in a forwardly extending position with respect to the pistol grip handle, a secondary handle structure detachably fixedly secured to a side of the housing at one end thereof and extending outwardly therefrom having an adjustable depth gauge on the outer end thereof for receiving the end of a plastic pipe and determining the depth to which the pipe end should be heated to fushion weld the same into a mating socket of a plastic fitting, a clamping device operable to be clamped in rounding engagement with the exterior periphery of the plastic pipe at a position inwardly of the depth thereof determined by the depth gauge, heatable socket and plug members detachably fixedly secured to the heating member for receiving in heat conducting relation a plastic pipe end and a mating socket of a plastic fitting, and a timing signal for providing signals for enabling an operator to determine the time when the pipe end and mating socket should be removed from heat transmitting relation with the heated socket and plug members respectively.
REFERENCES:
patent: 2389243 (1945-11-01), Tillett
patent: 3147794 (1964-09-01), Shupe et al.
patent: 3727289 (1973-04-01), Bemelmann et al.
patent: 3802943 (1974-04-01), Province
patent: 3929541 (1975-12-01), Spears et al.
patent: 4227067 (1980-10-01), McElroy
patent: 4336652 (1982-06-01), Robertson
patent: 4378937 (1983-04-01), Dearman
patent: 4484975 (1984-11-01), McElroy
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