Pipe wrapping method

Details Pipe wrapping method Pipe wrapping method

1993-09-08

1994-04-12

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156195, B65H 8100

Patent

active

053022211

ABSTRACT:
The invention relates to a method of wrapping pipe with a cementatious material such as concrete. The material is conveyed to the pipe as a continuous strip provided with notches along one edge and complementary notches are formed at the other edge of the strip as the strip is wrapped spirally onto the pipe. The continuous strip is formed in a hopper having a number of sections of successively reduced widths and containing rollers by which successive superimposed layer portions of the strip are formed with reinforcing mesh embedded between successive layer portions.

REFERENCES:
patent: 3544405 (1970-12-01), Nakai et al.
patent: 3607517 (1971-09-01), Pelley et al.
patent: 3623930 (1971-04-01), Grosh
patent: 3740291 (1973-06-01), Mallard
patent: 4006049 (1977-02-01), Gardner
patent: 4081302 (1978-03-01), Drostholm et al.
patent: 4333783 (1982-06-01), Gardner
patent: 4544426 (1985-10-01), Stockman
patent: 4785854 (1988-11-01), Jarvis et al.
patent: 4878976 (1989-11-01), Asakura
patent: 5024712 (1991-06-01), Lecourt et al.

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