Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Automatic and/or material-triggered control
Patent
1996-04-26
1998-04-28
Aftergut, Jeff H.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Automatic and/or material-triggered control
156158, 1563042, 1563046, 156503, 60413, B29C 6520, B65H 6906
Patent
active
057439923
ABSTRACT:
An apparatus for attaching abutting ends of first and second coaxial pipe sections together. The apparatus includes a support frame, a fixed pipe clamping jaw having upper and lower jaw halves carried by the support frame for positioning the first pipe section in a fixed position, a movable pipe clamping jaw having upper and lower jaw halves carried by the support frame for translating movement of the second pipe section relative to the fixed clamping jaw and into aligned abutment with the first pipe section, heating means for heating adjacent pipe ends to a butt fusion temperature and a hydraulic circuit including a hydraulic pressure pump for supplying pressure to hydraulic movement means to translate the movable pipe clamping jaws towards fixed pipe clamping jaws to the join the first and second heated pipe sections together under pressure. The apparatus also includes supplemental hydraulic pressure means for supplying hydraulic pressure to the hydraulic joining means upon loss of pressure from the hydraulic pressure pump.
REFERENCES:
patent: 3013925 (1961-12-01), Larsen
patent: 3729360 (1973-04-01), McElroy
patent: 4263084 (1981-04-01), Takala
patent: 4352708 (1982-10-01), McElroy
patent: 4640732 (1987-02-01), Stafford
patent: 4957570 (1990-09-01), Jenkins et al.
patent: 5013376 (1991-05-01), McElroy, II et al.
patent: 5527406 (1996-06-01), Brath
Gunno Gary Wayne
Weimer James Callen
Workman Jack Lee
Aftergut Jeff H.
Hughes Supply, Inc.
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