Inflation needle lubricating plug-insert type valve assembly

Details Inflation needle lubricating plug-insert type valve assembly Inflation needle lubricating plug-insert type valve assembly

A - Human Necessities

63

B

273/175, 152/178

A63B 41/00 (2006.01) A63B 41/04 (2006.01) F16K 15/20 (2006.01)

Patent

CA 1213919

ABSTRACT A self-lubricating plug insert-type valve assembley is provided for use with inflatable articles of manufacture, such as footballs, basketballs, etc. The sealing plug through which the inflation needle is inserted is characterized by containing a lubrication-effective amount of a silicone grease. Although contained as part of the rubber mix of the cured plug, the grease migrates within the plug and forms a continually renewed lubricant coating along the passage through which the needle is inserted and withdrawn.

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