Sheet metal container making – Method – Making pull tab-gripping means
Patent
1995-04-26
1997-09-16
Johnson, Jerry D.
Sheet metal container making
Method
Making pull tab-gripping means
508174, 508429, 508431, C10M13704, C10M14110
Patent
active
056673493
ABSTRACT:
An improved process for making metallic pull tabs is provided. In accordance with the improved pull tab making process comprising the steps of feeding a strip of metal into a pull tab forming die and forming the metallic pull tab the step of forming the pull tab is carried out in the presence of an aqueous based lubricant composition comprising water, an alkaline pH producing substance selected from the group consisting of alkali metal hydroxides, water soluble or dispersible aliphatic amines and water soluble or dispersible hydroxyl substituted aliphatic amines, an emulsifier, a water soluble or dispersible alpha (p-nonylphenyl) omega hydroxypoly (oxyethylene) phosphate ester and a water soluble or dispersible aliphatic diol.
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Dinevski Cindy S.
Tucker Kevin H.
Turchin Henry
Cincinnati Milacron Inc.
Dunn Donald
Gregg John W.
Johnson Jerry D.
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