Title:
FRUSTUM-SHAPED RUPTURE DISK HAVING LINE OF WEAKNESS
Document Type and Number:
Japanese Patent JP2019148339
Kind Code:
A
Abstract:
To provide a frustum-shaped rupture disk having a line of weakness.SOLUTION: A rupture disk (200) having a line of weakness (235) is disclosed. In one embodiment, a frustum-shaped rupture disk has a shear-scored line of weakness located in one or more of a central truncated portion (220), an angled frustum portion (230) and a flange portion (210), and in transition areas between the flange portion and the angled frustum portion and between the angled frustum portion and the central truncated portion. In another embodiment, a frustum-shaped rupture disk has an angled frustum portion, with a line of weakness in the angled frustum portion. A stiffening member may be provided to stiffen the central truncated portion of the frustum-shaped rupture disk.SELECTED DRAWING: Figure 2B
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Inventors:
PAUL GOGGIN
GEOFFREY BRAZIER
GEOFFREY BRAZIER
Application Number:
JP2019091737A
Publication Date:
September 05, 2019
Filing Date:
May 14, 2019
Export Citation:
Assignee:
BS & B INNOVATION LTD
International Classes:
F16K17/16
Domestic Patent References:
| JPS61203348A | 1986-09-09 | |||
| JPH05263955A | 1993-10-12 | |||
| JPH09178076A | 1997-07-11 | |||
| JP2010527065A | 2010-08-05 |
Foreign References:
| US20080202595A1 | 2008-08-28 |
Attorney, Agent or Firm:
Yoshiyuki Inaba
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito