ROLL CONE MANUFACTURING DEVICE

Title:

ROLL CONE MANUFACTURING DEVICE

Document Type and Number:

WIPO Patent Application WO/2004/010787

Kind Code:

A1

Abstract:

A roll cone manufacturing device, wherein a recessed mold (10) having a conical internal shape is fitted to a projected mold (20) having a conical external shape fitted to the recessed mold (10), the drum part (23) of the projected part (20) is rotatably supported, when closed, by an openable annular support means such as a toggle mechanism link (30) in the state of being pressed from at least three points on the outer periphery thereof to the axis thereof with the axes of the recessed mold (10) and the projected mold (20) aligned with each other, the toggle mechanism link (30) is formed openable, and a plurality of rolling bodies such as rollers (31) are installed on the inside of a ring, whereby the function of the support means as a bearing can be increased, and a high quality roll cone (40) can be manufactured efficiently.

Inventors:

SHINOMIYA YASUO (JP)
HARUTA TOSHITAKA (JP)

Application Number:

PCT/JP2002/007535

Publication Date:

February 05, 2004

Filing Date:

July 25, 2002

Export Citation:

Click for automatic bibliography generation Help

Assignee:

NISSEI KK (JP)
SHINOMIYA YASUO (JP)
HARUTA TOSHITAKA (JP)

International Classes:

A21B5/02; A21C15/02; (IPC1-7): A21C15/02; A21B5/02

Foreign References:

US5753292A	1998-05-19
JPH0353841A	1991-03-07
JP2000249080A	2000-09-12
JP2000120659A	2000-04-25
JPH0199180U	1989-07-03
US4624855A	1986-11-25
US4624855A	1986-11-25

Other References: