Method of placing plastic tubes into existing openings

Details Method of placing plastic tubes into existing openings Method of placing plastic tubes into existing openings

1988-04-28

1990-02-06

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Assembling or joining

29458, 29 33D, 29 33K, 138 97, 156294, 156391, 156195, 405150, 405184, B21D 3903, B23P 1100

Patent

active

048979112

ABSTRACT:
In the method for placing a plastic tube having a predetermined inherent stiffness into existing openings or through-passages a hardenable material, usually a hardenable synthetic resin, is applied onto the wall of the tube before placing the latter into the opening or through-passage. This hardenable material hardens completely only after a certain time period, i.e. after the tube has been brought into its desired position, to thereby increase the original inherent stiffness of the plastic tube. The device for carrying out the method includes apparatus for applying the stiffening material onto the wall surface of the tube.

REFERENCES:
patent: 3240645 (1966-03-01), Friedwald et al.
patent: 4009063 (1977-02-01), Wood
patent: 4135958 (1979-01-01), Wood
patent: 4182262 (1980-01-01), Everson et al.
patent: 4368091 (1983-01-01), Ontsuga et al.
patent: 4386628 (1983-06-01), Stanley
patent: 4394202 (1983-07-01), Thomas et al.
patent: 4613389 (1986-09-01), Tanaka
patent: 4754781 (1988-07-01), Putter

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