Title:
PIPE-MAKING APPARATUS AND PIPE-MAKING METHOD
Document Type and Number:
WIPO Patent Application WO/2017/170866
Kind Code:
A1
Abstract:
Provided are a pipe-making apparatus and pipe-making method with which pipe-making is possible while variably adjusting the diameter or circumference of a helix tube even without an internal circumference-regulating body. A pipe-making unit 3a of a pipe-making apparatus 3 interlocks an edge 94 of a following band section 92, which has not been made into a pipe and continues from a preceding pipe section 91 that has been made helically into a pipe in a band-shaped member 90, with the corresponding edge 93 of the one round previous preceding pipe section 91. Along with the interlocking, the pipe-making apparatus 3a is propelled along the helical winding direction. By an interlocking height-adjusting means such as an operation lever 30, the position 9q at which the interlocking is performed is variably adjusted in the apparatus height direction HD or the pipe inside-outside direction VD.
Inventors:
SUGAHARA HIROSHI (JP)
BABA TATSUROU (JP)
YAMASAKI MASAHIRO (JP)
SUGIYAMA YOSHIROU (JP)
BABA TATSUROU (JP)
YAMASAKI MASAHIRO (JP)
SUGIYAMA YOSHIROU (JP)
Application Number:
PCT/JP2017/013247
Publication Date:
October 05, 2017
Filing Date:
March 30, 2017
Export Citation:
Assignee:
SEKISUI CHEMICAL CO LTD (JP)
International Classes:
B29C63/32; F16L1/00; F16L55/163
Foreign References:
| JP2015200410A | 2015-11-12 | |||
| JP2005061545A | 2005-03-10 | |||
| JP2015112790A | 2015-06-22 |
Other References:
See also references of EP 3437836A4
Attorney, Agent or Firm:
WATANABE, Noboru et al. (JP)
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