Device for pushing a tube of plastics material for internally ca

Details Device for pushing a tube of plastics material for internally ca Device for pushing a tube of plastics material for internally ca

1997-03-14

1998-11-24

Mansen, Michael

Advancing material of indeterminate length

By orbitally traveling material-engaging surface

With control or adjustment means

226182, 226186, B65H 2000

Patent

active

058396136

ABSTRACT:
A pushing device which includes a frame supporting at least one powered train of wheels the drive surface of which is made from rubber for driving a plastics tubing through friction and for imparting thereto a continuous motion inside of a metal piping to be renovated, the invention being applicable to the renovation of systems of fluid-conveying buried metal pipings.

REFERENCES:
patent: 3459354 (1969-08-01), Land et al.
patent: 3473715 (1969-10-01), Shuey, Jr.
patent: 3506174 (1970-04-01), Shuey, Jr.
patent: 3546890 (1970-12-01), Ede
patent: 3632031 (1972-01-01), Gurner
patent: 3713301 (1973-01-01), Bryant
patent: 3986652 (1976-10-01), Perkins
patent: 4285454 (1981-08-01), Plumettaz
patent: 4445668 (1984-05-01), Sauber
patent: 4779784 (1988-10-01), Giroux

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