Blister sealing machine plate means

Details Blister sealing machine plate means Blister sealing machine plate means

1977-03-04

1978-06-20

McGehee, Travis S.

Package making

Closing packages and filled receptacles

Separate closure applying

53373, 156583, B65B 728, B65B 5110

Patent

active

040953971

ABSTRACT:
A blister sealing machine plate means is disclosed wherein a heater element which extends around the periphery of an opening therein, in which blisters are received, is maintained co-planar with the surface of the plate means at all times. Expansion or contraction of the heater element does not cause warping of the heater element as it is always maintained co-planar with the surface of the plate means by a heat permeable covering which extends over the plate means and the heater element because the covering on both sides of the heater element is bonded to the plate means.

REFERENCES:
patent: 2714416 (1955-08-01), Fener
patent: 3170275 (1965-02-01), Rohdin et al.
patent: 3699305 (1972-10-01), Reenstra et al.

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