System for protecting machine threads

Details System for protecting machine threads System for protecting machine threads

1986-08-07

1987-05-05

Shepperd, John W.

Pipes and tubular conduits

End protectors

Threaded

138 89, 220307, 220DIG19, B65D 5900, F16L 5700

Patent

active

046624023

ABSTRACT:
System for protecting machine parts, such as threads, from physical and chemical damage. The parts to be protected are cleaned, coated with a separating agent, and a mold is placed around them. A protective material is inserted in the interspace between the mold and pipe end. The protective material forms a tough, protective jacket. If desired, the mold can later be removed by means of a tear-open element or integrated weak spots. For the protection of pipe interiors, plastic material can be pressed into the end of the pipe such that it seals against the inside lining of the pipe.

REFERENCES:
patent: 2095528 (1937-10-01), Osborn et al.
patent: 2098087 (1937-11-01), Engstrom
patent: 2316013 (1943-04-01), Mulholland
patent: 2362675 (1944-11-01), Stebbins
patent: 2670871 (1954-03-01), Spiess, Jr. et al.
patent: 2709456 (1955-05-01), Hillix
patent: 2977993 (1961-04-01), Scherer
patent: 3168961 (1965-02-01), Yates
patent: 3563277 (1971-02-01), Klipper
patent: 3621623 (1971-11-01), Downes
patent: 4379471 (1983-04-01), Kuenzel
Article entitled "Grundlagen der Kunststoffverarbeitung", by W. Knappe, published by Carl Hanser Verlag Munchen (1970), pp. 171-174.

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