Piping element and manufacturing method and apparatus

Details Piping element and manufacturing method and apparatus Piping element and manufacturing method and apparatus

2003-02-11

2009-12-15

Brinson, Patrick F (Department: 3754)

Pipes and tubular conduits

Distinct layers

With intermediate insulation layer

C138S148000, C138S121000, C138S111000, C138S114000

Reexamination Certificate

active

07631668

ABSTRACT:
A piping element having at least two longitudinal components, such as flow pipes (4), outside of which there is an insulator (3), outside of which there is a corrugated outer sheath (2). The piping element is bendable. Fastening means are arranged to the longitudinal components to prevent the longitudinal movement of the longitudinal components in relation to each other.

REFERENCES:
patent: 3853149 (1974-12-01), Stine
patent: 3866670 (1975-02-01), Cramer et al.
patent: 4194536 (1980-03-01), Stine et al.
patent: 4271218 (1981-06-01), Heckel et al.
patent: 4529009 (1985-07-01), Horner et al.
patent: 4706711 (1987-11-01), Czvikovszky et al.
patent: 4713271 (1987-12-01), Searl et al.
patent: 4929409 (1990-05-01), Agren et al.
patent: 5400602 (1995-03-01), Chang et al.
patent: 0 246 890 (1987-11-01), None
patent: 0 459 973 (1991-12-01), None
patent: 2 166 833 (1986-05-01), None
patent: 2 259 270 (1993-03-01), None
patent: 2 323 653 (1998-09-01), None
patent: WO 99/16699 (1999-04-01), None

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