Tool for a bag forming machine

Details Tool for a bag forming machine Tool for a bag forming machine

2008-10-08

2010-11-30

Desai, Hemant M (Department: 3721)

Package making

Methods

Enclosing contents within progressively formed web means

Reexamination Certificate

active

07841155

ABSTRACT:
A tool (4) is part of a bag forming machine (1) for deforming a plain web of wrapping material (33) into a tube for producing bags containing goods. The tool (4) includes a filling pipe (3) and a forming shoulder (2) including a movable first part (7), a movable second part (8), a stationary third part (13) and a channel (18) housing the filling pipe (3). The filling pipe (3) and the channel (18) form a passage gap (27) allowing for passage of the wrapping material (33). The first and second parts (7, 8) are pivotable with respect to one another such that they can be moved into a closed position and into an opened position while approximately moving in a radial direction (29with respect to the surface of the filling pipe (3) and perpendicular to the tubular wrapping material (33) to prevent clamping or squeezing of the wrapping material (33).

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European Search Report dated Sep. 11, 2009.
English language translation of abstract of DE 38 41 056 (published Jun. 22, 1989).

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