Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With means applying wave energy or electrical energy...
Patent
1984-02-27
1984-10-23
Wityshyn, Michael
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With means applying wave energy or electrical energy...
1563798, 156497, 156579, 219 1051, 219 1053, 219 1079, B23K 1300, H01F 1506
Patent
active
044786697
ABSTRACT:
A gun assembly for bonding a fastener to a workpiece is disclosed which uses heat induction to fuse a thermoplastic adhesive coating on the base of the fastener to the workpiece. The gun assembly has a head member of electrically non-conducting material. A hollowed core electrical conductor is embedded in the head member in a spiral configuration adjacent the surface of the forward end of the head member. Seating means are provided on the forward end centrally of the spiral configuration for receiving the fastener to be applied to the workpiece. An air conduit extending through the head member between its forward and rearward ends is in communication with the seating means. A flux concentrator plate is mounted on the forward end of the head member and surrounds the seating means. A body member slidingly supports the head member and is selectively moved between a retract position and a workpiece engaging position by a piston and cylinder drive means.
REFERENCES:
patent: 4017701 (1977-04-01), Mittelmann
patent: 4120712 (1978-10-01), Sindt
patent: 4128449 (1978-12-01), Kobetsky
patent: 4139408 (1979-02-01), Kobetsky
patent: 4163884 (1979-08-01), Kobetsky
patent: 4355222 (1982-10-01), Geithman et al.
Janes Edward W.
Zeller Albert M.
Buckman Thomas W.
Illinois Tool Works Inc.
O'Brien John P.
Wityshyn Michael
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