Tire shaping drum
US-9849643-B2 · Dec 26, 2017 · US
Band detaching method in band building drum and band building drum
US8978728B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8978728-B2 |
| Application number | US-201113269143-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 7, 2011 |
| Priority date | May 19, 2006 |
| Publication date | Mar 17, 2015 |
| Grant date | Mar 17, 2015 |
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- Title
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Abstract
Official abstract text for this publication.
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 ( 1 a ) ( 1 b ) arranged alternately in a peripheral direction, a diameter of one segment ( 1 a ) of two kinds of segments ( 1 a ) ( 1 b ) is contracted, thereafter, the segment ( 1 a ) is temporarily returned to a diameter expanding state, a diameter of other segment ( 1 b ) 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 ( 1 a ) ( 1 b ) into a diameter contracting state.
First claim
Opening claim text (preview).
The invention claimed is: 1. An expandable and contractable band building drum, comprising: a plurality of first and a plurality of second segments formed separately in a peripheral direction and positioned alternately with respect to one another in the peripheral direction, guide means for guiding the plural first and plural second respective segments into respective expanding and contracting movements in a diametrical direction and for restricting movements in an axial directi…
Assignees
Inventors
Classifications
Operations & Transport · mapped topic
- B29D30/242Primary
Operations & Transport · mapped topic
Operations & Transport · mapped topic
- B29D30/24Primary
Operations & Transport · mapped topic
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Frequently asked questions
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- What does patent US8978728B2 cover?
- 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 ( 1 a ) ( 1 b ) arranged alternately in a peripheral direction, a diameter of one segment ( 1 …
- Who is the assignee on this patent?
- Tatara Tetsuo, Takatsuka Tomoyuki, Toyo Tire & Rubber Co
- What technology area does this patent fall under?
- Primary CPC classification B29D30/242. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Mar 17 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).