Wall construction

Details Wall construction Wall construction

1976-08-30

1978-06-27

Michl, Paul R.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

By casting liquids on a solid supporting or shaping surface

138175, 138176, 156173, F16L 908

Patent

active

040975681

ABSTRACT:
We have found that if we add a polyhydric phenolic compound such as resorcinol to monohydric phenolic resin/cement systems, we can shorten the gel time sufficiently to use the systems in producing walls. The walls generally are cylindrical and serve to confine a liquid. These systems are especially good for producing large diameter, continuous pipe.

REFERENCES:
patent: 3464879 (1969-09-01), Poulsen
patent: 3489626 (1970-01-01), Rubenstein
patent: 3607511 (1971-09-01), Grosh
patent: 3871409 (1975-03-01), Gilbu
patent: 3886338 (1975-05-01), Lokun
patent: 3915776 (1975-10-01), Kaempen

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