INFLATABLE TUBE - NIPPON TELEGRAPH & TELEPHONE

Title:

INFLATABLE TUBE

Document Type and Number:

Japanese Patent JP2001097289

Kind Code:

A

Abstract:

To provide an inflatable tube capable of being smoothly expanded without a risk of preventing an inflating operation that the tube is bent at the time of expansion and a risk of rupture of the tube.

An inflator tube stored folded or rounded, inflated by allowing gas to be flown from one end of the tube 1 so as to form a cylindrical bar, and finally hardening to maintain a shape, comprises a tube 1 formed in a cylindrical shape in expanded condition, a pipe 2 wound spirally on the inner or outer surface of the tube 1, and a cylinder 3 connected to one end of the tube 1 and the pipe 2 and installed to the tube 1 or a cylinder 3 having a flow control mechanism provided therein. When gas flows from the cylinder 3 to the tube 1 and the pipe 2, a gas pressure is varied for expansion of the tube.

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Inventors:

ISHIKAWA HIROCHIKA
SENBOKUTANI YUMI
NAKASUGA YOSHINORI
MIYASAKA AKIHIRO
TSUNODA HIROAKI

Application Number:

JP28163799A

Publication Date:

April 10, 2001

Filing Date:

October 01, 1999

Export Citation:

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Assignee:

NIPPON TELEGRAPH & TELEPHONE

International Classes:

E04C3/00; B64G1/22; (IPC1-7): B64G1/22; E04C3/00

Attorney, Agent or Firm:

Takehiko Suzue (2 outside)

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