Sealing jaw mechanism for package making machine

Details Sealing jaw mechanism for package making machine Sealing jaw mechanism for package making machine

1976-06-18

1977-08-09

McGehee, Travis S.

Package making

With cover-adjunct application or formation

By printing

B65B 910

Patent

active

040402371

ABSTRACT:
A mechanism for forming heat seals or the like in adjacent layers of web material as part of a package making process carried out by a machine comprises two sealing jaws and a means for slidably supporting and driving the two jaws for movement between relatively opened and closed positions. One jaw is fixed to a slide slidably supported for movement relative to a base along a given slide axis and the other jaw is slidably supported on the slide for slidable movement along the same slide axis. A crank mechanism simultaneously moves both the slide and the other jaw to drive the two jaws in opposite directions toward their open or closed condition, depending on the direction of rotation of the crank. In the jaw closing direction the crank mechanism has a toggle action making available a high clamping force between the jaws and causing the jaws to close smoothly with little or no bouncing or impact.

REFERENCES:
patent: 3287199 (1966-11-01), Virta
patent: 3685250 (1972-08-01), Henry et al.

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