Title: System for sealing and repairing leaks in ruptured containers

Abstract: A system for sealing and repairing leaks in ruptured containers whereby an applicator including an open-celled sponge body is inserted into the rupture and the two interacting components of a binary fluid foam composition are mixed and injected into the sponge body, thereby expanding and forming a foam composite with the latter against the rupture to effectively seal and repair same upon curing of the foam in situ.

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Inventors: Vrolyk, John J. (Simi, CA, US)
Melvold, Robert W. (Northridge, CA, US)

Application Number: 582049
Filing Date: 1975-05-29
Publication_date: 1977-03-22
Assignee: The United States of America as represented by the Administrator of the (Washington, DC)
Primary Class(es): 29/700 29/402.09, 29/402.18, 29/421.1, 138/89, 138/97, 138/DIG9, 156/94, 220/242, 222/145.4, 222/145.6, 264/36.15, 264/45.6, 264/241, 264/321, 425/13, 428/63, 428/71
Other Classes:
US Patent Ref:

782290	Feb, 1905	Tomkins	425/13.
1382397	Jun, 1921	Whitehouse	425/12.
2646707	Jul, 1953	Notz	425/12.
3144049	Aug, 1964	Ginsburgh	138/97.
3686047	Aug, 1972	Miller	156/79.
3772113	Nov, 1973	Patrick	156/94.

Other Refs:
Primary Examiner: Whitby, Edward G.
Assistant Examiner:
Attorney: