Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1975-11-07
1976-11-23
Whitby, Edward G.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156306, 156358, 156360, 156582, 228 2, 228113, 264 68, B32B 3120
Patent
active
039935191
ABSTRACT:
Spin welding head is rotated at a predetermined rate by a shaft through a clutch biased into engagement by springs carried by a clutch member which surrounds the shaft. After the rotating head is engaged against the workpiece, the shaft is advanced axially into the head at a predetermined rate through a predetermined distance whereupon shoulders on the head and clutch member interengage to halt the spring induced axial movement of the clutch member with the shaft. Axial movement of the shaft is continued to disengage the clutch and free the head for continued rotation independently of the shaft through its rotational inertia. The mass of the head and its rate of rotation are coordinated to keep the head spinning for long enough to complete the spin welding which was initiated while the head was being driven by the shaft. The shaft also forms a plunger which in each cycle of operation injects lubricant from a reservoir into a passageway system for lubricating the moving parts in the head.
REFERENCES:
patent: 3344010 (1967-09-01), Franz
patent: 3694896 (1972-10-01), Lord
Olsen Manufacturing Company, Inc.
Whitby Edward G.
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