Heatseal die

Details Heatseal die Heatseal die

1984-12-17

1986-04-15

Wityshyn, Michael

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

53373, 156250, 156251, 156510, 156515, 156553, 156581, 1565831, 493193, 493194, 493203, 493209, B30B 1534, B32B 3118, B32B 3120

Patent

active

045825556

ABSTRACT:
This invention is an improved heatseal die that forms superior airtight seals. The die has opposed die faces, with one die face having longitudinal lands and the other die face having grooves for receiving the lands. The lands are truncated and the depth of the grooves is greater than the height of the lands. As a result, the force applied by the lands and grooves is applied entirely as a shearing force, which forms the superior heatseals.

REFERENCES:
patent: 2496609 (1950-02-01), Van Antwerpen
patent: 2532784 (1950-12-01), Reitzes
patent: 3306001 (1967-02-01), Peppler
patent: 4001075 (1977-01-01), Menzner et al.
patent: 4254601 (1981-03-01), Prager et al.
patent: 4534818 (1985-08-01), Kreager et al.

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