Title:
ALUMINUM SINGLE PIPE
Document Type and Number:
Japanese Patent JP2019105108
Kind Code:
A
Abstract:
To improve a point that a conventional single pipe easily rolls in a circumferential direction since an outer shape is a circle and that single pipes with a swollen central part in an axial direction do not have a stable packing style and be easily collapsed.SOLUTION: An aluminum single pipe 1 of this invention is made of aluminum, has a same size as a diameter specified outer diameter of a carbon steel pipe with a general structure specified in JISG3444, and includes a flat portion 2 formed by removing a wall thickness with an arc-shaped cross section specified as a chord length of 10 to 50% of an outer diameter in an axial direction in at least one position of an outer periphery.SELECTED DRAWING: Figure 1
Inventors:
MORIMOTO TAKAYUKI
Application Number:
JP2017239336A
Publication Date:
June 27, 2019
Filing Date:
December 14, 2017
Export Citation:
Assignee:
FOR BUILD CO LTD
International Classes:
E04G1/04
Domestic Patent References:
JP2004360318A | 2004-12-24 | |||
JPS5553140U | 1980-04-09 |
Attorney, Agent or Firm:
Tetsuya Mizogami
Susumu Yamamoto
Hideki Kawahara
Susumu Yamamoto
Hideki Kawahara