Packaging machine

Details Packaging machine Packaging machine

1998-02-04

1999-10-19

Johnson, Linda

Package making

Progressively seamed cover web or web folds

With closing of web between package units

53550, 533745, B65B 912, B65B 5114

Patent

active

059669098

ABSTRACT:
In a packaging machine 2 with a movable part 27, which can be moved toward a packaging 26 or a product to be packaged, and a carrier movable with the part 27 and connected to the part 27, the part 27 and/or the carrier consists of a magnesium alloy 28, for example Mg Ag3 Se2 Zr1 or Mg A19 Zn1. A magnesium alloy 28 has low mass, low moment of inertia, high capability to conduct heat, high heat capacity and good stiffness. It can also be used for heated, package-building elements, for example, a longitudinal sealing jaw 33 movable toward a foil tube 6, a cross-sealing jaw 16, 17 or a cutting knife 25. Relatively small forces are needed for moving a part 27 and/or a carrier 23 consisting of a magnesium alloy 28, which makes the packaging machine 2 less expensive to operate.

REFERENCES:
patent: 3778588 (1973-12-01), Bishel
patent: 3905174 (1975-09-01), Heisler
patent: 4807426 (1989-02-01), Smith
patent: 4968867 (1990-11-01), Banzai et al.
patent: 5056296 (1991-10-01), Ross et al.
patent: 5279098 (1994-01-01), Fukuda
patent: 5379574 (1995-01-01), Fischer et al.
patent: 5551206 (1996-09-01), Fukuda
patent: 5571370 (1996-11-01), Selberg et al.

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