The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 17, 2015

Filed:

Oct. 07, 2011
Applicants:

Tetsuo Tatara, Osaka, JP;

Tomoyuki Takatsuka, Osaka, JP;

Inventors:

Tetsuo Tatara, Osaka, JP;

Tomoyuki Takatsuka, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D 30/24 (2006.01);
U.S. Cl.
CPC ...
B29D 30/24 (2013.01); B29D 30/242 (2013.01); B29D 30/244 (2013.01); B29D 30/247 (2013.01);
Abstract

The invention enables a built band (B) in a cylindrical shape to be easily and surely detached by peeling off the band (B) from being brought into close contact with a drum peripheral face in an expandable and contractable band building drum (D) constituted by two kinds of pluralities of segments () () arranged alternately in a peripheral direction, a diameter of one segment () of two kinds of segments () () is contracted, thereafter, the segment () is temporarily returned to a diameter expanding state, a diameter of other segment () is contracted, thereby, the band (B) is peeled off from being brought into close contact with the drum outer peripheral face, thereafter, the band (B) is detached by bringing both of the segments () () into a diameter contracting state.


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