Conductive resin coated steel pipe and extrusion molding...

Details Conductive resin coated steel pipe and extrusion molding... Conductive resin coated steel pipe and extrusion molding...

2006-09-12

2006-09-12

Ahmad, Nasser (Department: 1772)

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

C138S146000, C138SDIG010, C156S244110, C427S261000, C427S287000, C427S409000, C428S034100, C428S035700, C428S035800, C428S035900, C428S036910, C428S119000, C428S161000, C428S163000

Reexamination Certificate

active

07105216

ABSTRACT:
A conductive resin coated steel pipe and an extrusion molding method for the steel pipe capable of using filler instead of carbon black and not only lowering a production cost but also further increasing an attractiveness; the resin coated steel pipe, wherein a regenerated resin (3) such as polyethylene, ABS, AAS, and the outer peripheral surface of a thin-walled steel pipe (2) is coated with polypropylene, and a conductive resin (4) such as polyethylene, ABS, AAS, and polypropylene mixed with filler on the outer peripheral surface of the coated resin (3) is axially uniformized in cross section by a double coated structure where the portion (4b) thereof having a wall thickness and a width necessary for developing the conductivity thereof are provided at one or more positions in the circumferential direction of a pipe body and the entire outer peripheral surface thereof is coated thinly with the resin.

REFERENCES:
patent: 61-14948 (1986-01-01), None
patent: 1-2921 (1989-01-01), None
patent: 7-28633 (1995-05-01), None

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