Fire-resistant fuel transport pipe

Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing

Reexamination Certificate

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C428S036600, C428S321100, C428S321500, C428S446000, C428S448000, C428S451000, C428S518000, C428S920000, C428S921000, C428S182000, C138S121000, C138S122000, C138S148000, C138S173000, C052S783130, C252S601000, C252S606000, C252S610000

Reexamination Certificate

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06933028

ABSTRACT:
A plastics material tube that is particularly resistant to fire, such that its wall is formed by a corrugated tube of flammable plastics material, by a smooth tube lining the outside of the corrugated tube and made of a plastics material that limits flame propagation, and by a fireproofing composition received between the two tubes.

REFERENCES:
patent: 4113667 (1978-09-01), Mori et al.
patent: 4509559 (1985-04-01), Cheetham et al.
patent: 4543281 (1985-09-01), Pedersen et al.
patent: 4569878 (1986-02-01), Barrall et al.
patent: 5057367 (1991-10-01), Morii et al.
patent: 5182049 (1993-01-01), von Bonin
patent: 5413828 (1995-05-01), De Keyser
patent: 6110559 (2000-08-01), De Keyser
patent: 6429246 (2002-08-01), Rous
patent: 6516126 (2003-02-01), Rous et al.
patent: 195 04 616 (1996-08-01), None
patent: 0 010 751 (1980-05-01), None
patent: 2 698 153 (1994-05-01), None
patent: 2747175 (1997-10-01), None
patent: 2 306 605 (1997-05-01), None
Translation of FR 2,747,175.

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