Method of die casting machine lubrication with unitized lubricant
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United States of America Patent
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Sep 2, 1997
Grant Date -
N/A
app pub date -
Dec 5, 1995
filing date -
Dec 5, 1995
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Abstract
A method of lubricating a lubricant requiring portion of a die casting machine includes inserting a unitized lubricant element including flowable lubricant into a cylinder when an associated ram is retracted and advancing the ram against the lubricant element to squeeze the element against a partially closed end of the cylinder and force the lubricant to flow through a restricted passage to the portion to be lubricated. A metal injecting shot sleeve and plunger may act as the cylinder and ram for lubricant delivery prior to the introduction of molten casting metal where the die cavity is to be lubricated but provision of a separate cylinder and ram apparatus is preferred. Various forms of unitized lubricant elements with and without containers and examples of lubricant delivery apparatus are disclosed.
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