Apparatus for lining a continuous concrete pipe

Details Apparatus for lining a continuous concrete pipe Apparatus for lining a continuous concrete pipe

1973-05-29

1977-04-12

Spicer, Jr., Robert L.

Plastic article or earthenware shaping or treating: apparatus

Utilizing subterranean feature as shaping means

425 64, 425122, B28B 2112

Patent

active

040172260

ABSTRACT:
An apparatus for forming a continuous concrete pipe having an integrally formed lining extending over part or all of the surface of its bore.

REFERENCES:
patent: 857588 (1907-06-01), Boyle
patent: 2969576 (1961-01-01), Fuller
patent: 3091013 (1963-05-01), Robinson
patent: 3193901 (1965-07-01), Lee et al.
patent: 3252198 (1966-05-01), Fuller
patent: 3380259 (1968-04-01), Rubenstein
patent: 3520749 (1970-07-01), Rubenstein
patent: 3583046 (1971-06-01), Dickenson et al.

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