Pipe section, preferably a concrete pipe section

F - Mech Eng,Light,Heat,Weapons – 16 – L

Patent

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189/65

F16L 9/08 (2006.01) B28B 21/56 (2006.01) B65D 59/00 (2006.01) F16L 21/03 (2006.01)

Patent

CA 1119976

ABSTRACT OF THE DISCLOSURE A pipe of the type which is manufactured by moulding the pipe material in a mould and has sealing surfaces for seal- ingly connecting the pipe to another pipe, comprising as a protection for at least one sealing surface an annular element being used as a mould portion at the moulding of the pipe and being easily removable from the pipe at the place where the pipe is to be used.

335299

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