Plastic article or earthenware shaping or treating: apparatus – Product or preform repair or restoring means – Means feeding fluent stock under pressure
Patent
1980-10-06
1982-05-11
Anderson, Philip
Plastic article or earthenware shaping or treating: apparatus
Product or preform repair or restoring means
Means feeding fluent stock under pressure
114227, 220239, 264 36, 264 452, 264 53, 425 12, 425 14, B63B 4316, B32B 3500
Patent
active
043291325
ABSTRACT:
A system for plugging holes in vessels which comprises the combination of a storage and delivery system for a foam-forming material, and a hole-plugging assembly. The hole-plugging assembly includes a flexible nonelastic bag member which is inserted in a folded position into the hole to be plugged and properly positioned with an associated locating means. Thereafter, a unitary foamable material is injected into the bag member to expand it and seal the hole. The locating means further assists in maintaining the inflated bag member in proper orientation and sealing engagement while the foam is curing.
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Sun, S. M., et al. "Feasibility of use of Plastic Foams for small Vessel Flotation Devices." Report AD-A021-076/5SL (MRC-DA-518). Dayton, Ohio, Monsanto Research Corp., Dayton Laboratory, Jan. 1976 (Final Report), 49 pages, (prepared for: Dept. of Transporation, U.S. Coast Guard, Washington, D.C.--Available Through: National Technical Information Service, Springfield, VA).
Melvold Robert W.
Smith George H.
Vrolyk John J.
Anderson Philip
DeLarvin Clark E.
Hamann H. Fredrick
Kolin Henry
Rockwell International Corporation
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