Heated die punch construction and control device

Details Heated die punch construction and control device Heated die punch construction and control device

1992-11-05

1995-09-19

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Automatic and/or material-triggered control

156510, 156513, 156515, 533707, 53 83, 83171, 83684, 219490, 219492, 219494, B32B 3500, B26D 710, B26F 114, B65B 6100

Patent

active

054512883

ABSTRACT:
Invention discloses a heated die to form long lived aperatures in upper region of plastic wrapped packages; said die featuring improved construction providing focused unidirectional heat flow to avoid package failure leading to product deterioration and package failure and disengagement with display hangers; said heat control effected by micro control of flow of energizing electricity.

REFERENCES:
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patent: 3555950 (1971-01-01), Gijsbers et al.
patent: 3707102 (1972-12-01), Huppenthal et al.
patent: 4467183 (1984-08-01), Ishima
patent: 4506143 (1985-03-01), Telis et al.
patent: 4793231 (1988-12-01), Brown
patent: 4880481 (1989-11-01), Jerlich et al.
patent: 5022295 (1991-06-01), Stemmler
patent: 5081891 (1992-01-01), Johson et al.
patent: 5133237 (1992-07-01), Daffe
patent: 5140133 (1992-08-01), O'Brien et al.

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