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Machine translation
1. (WO1980001600) PRESTRESSED CONCRETE PIPE
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1980/001600    International Application No.:    PCT/SU1979/000002
Publication Date: 07.08.1980 International Filing Date: 26.01.1979
IPC:
F16L 9/08 (2006.01)
Applicants:
Inventors:
Priority Data:
SU79/00002 26.01.1979 WO
Title (EN) PRESTRESSED CONCRETE PIPE
(FR) CANALISATION EN BETON PRECONTRAINT
Abstract: front page image
(EN)A prestressed concrete pipe is a hollow cylinder (1) with a pretensioned hooping (4), the end of this cylinder being bevelled. In the core of the pipe walls longitudinal ducts (6) for wire wrapping are formed, whereas both ends (2) and (3) of the pipe have plane surfaces with circumferential recesses (5) having a dovetail cross-section.
(FR)Une canalisation en beton precontraint est constituee d"un cylindre creux 81) avec un frettage tres tendu (4) l"extremite de ce cylindre etant biseautee. Dans l"ame des parois de la canalisation des conduits longitudinaux (6) sont formes pour permettre l"enveloppement de cables metalliques, tandis que les deux extremites (2) et (3) de la canalisation presentent des surfaces planes avec des evidements circonferentiels (5) a profils en queue d"aronde.
Designated States:
Publication Language: Russian (RU)
Filing Language: Russian (RU)