Apparatus for the application of pressure relief valves

Details Apparatus for the application of pressure relief valves Apparatus for the application of pressure relief valves

2008-05-02

2011-12-27

Hail, Joseph J (Department: 3723)

Metal working

Means to assemble or disassemble

Valve applying or removing

C053S128100

Reexamination Certificate

active

08082644

ABSTRACT:
A system for applying pressure relief valves to packaging from a liner carrying adhesive backed pressure relief valves passing over a series of rollers in tension onto a peeler bar. There is a valve applicator unit proximate the peeler bar with a punch shaft and an applicator shaft with an applicator vacuum head. The liner is moved by a retraction unit including clamping members that alternately maintain the liner stationary under tension and pull the liner under tension to advance the liner carrying adhesive backed pressure relief valves. A supply reel for a roll of liner carrying adhesive backed pressure relief valves has a pair of spaced apart plates and a pair of rings with a non-stick coating positioned between each of the plates and the roll of liner. The plates, rings and roll of liner are compressed together by an adjustable retainer.

REFERENCES:
patent: 4193560 (1980-03-01), Diegel
patent: 5277741 (1994-01-01), Kramer
patent: 2008/0172985 (2008-07-01), Hoffman et al.

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