Magnetic bonding of tabs

Details Magnetic bonding of tabs Magnetic bonding of tabs

1979-08-28

1981-02-03

Drummond, Douglas J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

53133, 53412, 53DIG2, 156380, 219 1043, 219 1057, 219 1079, B29C 1902, B65B 6118, H05B 500

Patent

active

042486530

ABSTRACT:
An apparatus and method for applying metal foil-plastics material film laminate pull tabs to coated container units. A high frequency electrical energy force field is set up and induced into the metal of the pull tab with the resultant heating of the metal and the subsequent heating of the plastics material film to a bonding temperature together with the application of a magnetic repulsion force to the pull tab urging it away from its supporting head and into forced contact with the container unit.

REFERENCES:
patent: 859416 (1907-07-01), Tyson
patent: 3548140 (1970-12-01), O'Neill
patent: 3730804 (1973-05-01), Dickey
patent: 3808074 (1974-04-01), Smith
patent: 4104498 (1978-08-01), Gerber

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