Apparatus for tightening a strip around a package

Details Apparatus for tightening a strip around a package Apparatus for tightening a strip around a package

1990-08-15

1992-06-02

Sipos, John

Package making

Partial cover application

Band or tube

53582, 100 32, B65B 1318

Patent

active

051176157

ABSTRACT:
The apparatus (4) manually operable with a tightening lever (16) has a cutting station (8), a tightening station (10) and a clamping station (12). The latter has a clamping arm (18) mounted on an eccentric shaft (20) and having a clamping shoe (40) through which the strip end (3) inserted in the strip channel (5) is clamped. The clamping shoe (40) is laterallly displaced with respect to the axis of the eccentric shaft (20) in the direction of the strip end (3) in the vicinity of a clamping nose (35) supported on the supporting face (36) of the apparatus casing (15). On lowering the clamping shoe (18) into the clamping positioning an additional clamping force on the clamping shoe (40) is exerted by the clamping nose (35) guided on the supporting surface (36). The clamping force exerted by the clamping arm (18) acts under an acute angle (48), so that a toggle lever action by the clamping arm (18) is reliably avoided and consequently there is no overstressing of the casing (15) by uncontrollably high forces occurring in the toggle lever position.

REFERENCES:
patent: 3984278 (1976-10-01), Styner
patent: 4488926 (1984-12-01), Rauch
patent: 4820363 (1989-04-01), Fischer

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