Pipe construction

Details Pipe construction Pipe construction

1975-09-15

1977-11-29

Callaghan, Thomas F.

Pipe joints or couplings

Flange

285424, F16L 2300

Patent

active

040602656

ABSTRACT:
A piping system consisting of individual pipe sections which are of rectangular cross-section and can be joined by flanges, characterized by the fact that the individual pipe sections are provided in their corner areas with a curvature radius which allows for a contiguous, outward directed edge and that the flanges used to join the individual sections consist of a frame which snugly fits to the outside wall of each individual pipe section and can be formed by suitably bending a common angle piece; and that said enclosing frame is sealed.

REFERENCES:
patent: 652396 (1900-06-01), Lovekin
patent: 1015312 (1912-01-01), Gray
patent: 1440273 (1922-12-01), Carman
patent: 1450826 (1923-04-01), Walten
patent: 1595564 (1926-08-01), Neuhaus
patent: 1815840 (1931-07-01), Frank
patent: 2627430 (1953-02-01), Koffler
patent: 2656594 (1953-10-01), Westling
patent: 3322444 (1967-05-01), Sewell et al.
patent: 3432185 (1969-03-01), Rosengren
patent: 3712650 (1973-01-01), Mez
patent: 3794363 (1974-02-01), Schulz
patent: 3800846 (1974-04-01), Kurz
patent: 3811714 (1974-05-01), Pintard

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