Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
螺旋パイプをその内側から巻回形成する方法及び装置
Document Type and Number:
Japanese Patent JP4505142
Kind Code:
B2
Abstract:
A machine (200) for winding a strip of material (212) into a helical pipe wherein adjacent convolutions of the strip (212) are interlocked. The machine comprises: a frame (220) having circumferentially spaced supports in the form of rollers (266, 276, 278, 286, 288, 296 and 298) adapted to bear against the inner periphery of the pipe being wound, the outer peripheral surfaces of the rollers forming a helical path for the strip (212) and along which the strip (212) is directed when the machine (200) is in use; driving rollers (224) mounted to the frame (220) for driving the strip (212) around the outside of the rollers so as to follow the helical path and cause the adjacent edges the strip (212) to interlock; and drive means (226) mounted to the frame for driving the driving rollers (224). The driving rollers (224) and the drive means are located wholly inside of the path formed by the rollers and no part of the machine (200) engages the outer periphery of the pipe being wound.

Inventors:
Menzel Stanley William Otto
Application Number:
JP2000571181A
Publication Date:
July 21, 2010
Filing Date:
September 22, 1999
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Live Rock Australia Proprietary Limited
International Classes:
F16L55/16; B21C37/12; F16L57/00; B29C53/78; B29C53/82; B29C63/32; F16L55/165
Domestic Patent References:
JP7100927A
JP9057850A
JP5169539A
Attorney, Agent or Firm:
Minoru Nakamura
Fumiaki Otsuka
Sadao Kumakura
Shishido Kaichi
Hideto Takeuchi
Toshio Imajo
Nobuo Ogawa
Village shrine Atsuo
Takaki Nishijima
Atsushi Hakoda