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US 5,667,349 AGranted
Method of making pull tabs and lubricant therefor
AssigneeCincinnati Milacron Inc.
InventorsHenry Turchin, Cindy S. Dinevski, Kevin H. Tucker
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AssigneeCincinnati Milacron Inc.
InventorsHenry Turchin, Cindy S. Dinevski, Kevin H. Tucker
Estimating the term…
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.
In an improved metallic pull tab making process comprising the steps of feeding a strip of metal into a pull tab forming die and forming a metallic pull tab, the improvement comprising applying to said strip an aqueous based lubricant composition comprising:
In an improved metallic 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 improvement comprising applying to said strip an aqueous based lubricant composition comprising;
Dependencies are inferred from the claim text.