Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Presses or press platen structures – per se
Patent
1988-06-16
1990-06-26
Dawson, Robert A.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Presses or press platen structures, per se
53 97, 53109, 53368, 53373, 53511, 53DIG2, 156 69, 1563806, 439191, 439378, 439680, B29C 6532, B65B 3100
Patent
active
049369431
ABSTRACT:
This relates to the mounting of a sealing head for sealing a plastic lid in a plastic container by way of induction heating. In order that a sealing head may be readily removed and replaced by a like sealing head for cleaning and repair, there is provided a quick detachable coupling between the sealing head and a support which is carried by a movable positioner for vertically positioning the sealing head. Further, there is associated with the support a supply unit which supplies to the sealing head electrical energy for an induction heating coil and for a gas detector. In addition, there is supplied to the sealing head from the supply unit two separate vacuum supplies and an inert gas supply with one of the vacuum supplies serving to hold a lid in place on the underside of the sealing head and the other vacuum supply serving to evacuate the container prior to the lid being applied thereto. The inert gas supply is provided to supply an inert gas to an evacuated container prior to sealing.
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patent: 4707213 (1987-11-01), Mohr et al.
patent: 4791775 (1988-12-01), Rague et al.
Kubis Charles S.
Walter John
Brown Charles A.
Brown Charles E.
Continental Can Company Inc.
Dawson Robert A.
Maki Steven D.
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