Package making – Interrelated or safety controls
Patent
1975-06-30
1976-08-17
McGehee, Travis S.
Package making
Interrelated or safety controls
53 88, 156 94, 156145, B65B 3104
Patent
active
039746224
ABSTRACT:
An apparatus and method for repressurizing hollow valveless articles such as tennis balls and the like in which an article to be repressurized is punctured by a needle having a passageway therethrough and both pressurized fluid for repressurizing the article and sealant for sealing the punctured and repressurized article are delivered sequentially and commonly through a single passageway of the needle. Provision is made for shielding the needle against exposure to undesirable accidental puncture and breakage and, by a particular cooperation of relative movement of an article and the needle, for avoiding removal of a plug of material from the article during puncture.
REFERENCES:
patent: 1159932 (1915-11-01), Green
patent: 2819573 (1958-01-01), Whittington
patent: 3699739 (1972-10-01), Burdwood
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