F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 55/165 (2006.01) B29C 53/16 (2006.01) B29C 63/36 (2006.01) F16L 55/179 (2006.01)
Patent
CA 2175443
A bent pipe lining method which can get rid of bulky creases of the liner commonly formed at the bends of the pipe, and the method is characterized by a use of a flat belt that is hitched to the sewn-end of the liner bag, which pulls the flat belt inside itself as it is everted into the bent pipe; when the liner bag is hardened the flat belt is kept stretched so as to keep the bulky creases compressed and bent flatly.
Kamiyama Takao
Yokoshima Yasuhiro
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Shonan Gosei-Jushi Seisakusho K.k.
Yokoshima & Company
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