SLEEVE FOR WALL PENETRATION

Title:

SLEEVE FOR WALL PENETRATION

Document Type and Number:

Japanese Patent JP2014145460

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide a sleeve for wall penetration that can easily correspond to walls different in thickness, is easy for extraction and insertion from and into a penetration port of a wall, and is easy for fixation after insertion.SOLUTION: A sleeve for wall penetration includes: an inner cylindrical side projection part 33 that projects to the side of an outer cylinder 20 on the outer peripheral surface of an inner cylinder 30; and an outer cylindrical side uneven part 24 that allows advance of the inner cylindrical projection part 33 to the insertion direction of the inner cylinder 30 at a position corresponding to the inner cylindrical side projection part 33 on the inner peripheral surface of an outer cylinder 20, prevents regression to the anti-insertion direction by engaging with the inner cylindrical side projection part 33, and comprises a plurality of recess parts and projection parts arrayed with equal intervals in an axial direction.

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Inventors:

MINEMATSU SUSUMU

Application Number:

JP2013015748A

Publication Date:

August 14, 2014

Filing Date:

January 30, 2013

Export Citation:

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Assignee:

MAZROC CO LTD

International Classes:

F16L5/00

Attorney, Agent or Firm:

Yoneyama 淑幸

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