Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With means applying wave energy or electrical energy...
Patent
1995-01-05
1997-09-23
Simmons, David A.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With means applying wave energy or electrical energy...
1563042, 1563046, 1562742, 219535, 219544, B27G 1102, B31F 504, B32B 3124
Patent
active
056700121
ABSTRACT:
A fitting formed as a welding sleeve has, preferably, two heating elements and is provided in the region of the plug contacts with a plate which can be inserted into a recess. On the plate is arranged a resistor and the connections for measuring the ohmic resistance by means of a welding apparatus. By measuring the resistance, the type of the fitting can be identified and the current to be fed to the welding apparatus determined.
REFERENCES:
patent: 4486650 (1984-12-01), Bridgstock et al.
patent: 4602148 (1986-07-01), Ramsey
patent: 4639580 (1987-01-01), Johnson
patent: 4642154 (1987-02-01), Thalmann et al.
patent: 4695335 (1987-09-01), Lyall
patent: 5116082 (1992-05-01), Handa et al.
patent: 5141580 (1992-08-01), Dufour et al.
Bamberger Michael
Porfido Erasmo
Georg Fischer Rohrleitungssysteme AG
Rivard Paul M.
Simmons David A.
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