Title:
LOCK DEVICE FOR PIPE COUPLING AND VALVE COUPLING PART
Document Type and Number:
WIPO Patent Application WO/2019/187398
Kind Code:
A1
Abstract:
Provided is a lock device that is suitable for a coupling part of a pipe or valve of a raw material container or the like, reliably prevents loosening or erroneous operation of a coupling, has a simple component configuration, is extremely satisfactory in terms of ease of use, and is secured while applying force in the direction in which the coupling is retightened, and thus has extremely satisfactory stability. The lock device is provided in order to prevent loosening of a coupling part 4 comprising a threaded engagement receiving member 20 and threadedly engaging member 21 side, and comprises: a clamp member 42 attached to the threaded engagement receiving member 20 to accomplish retightening; a clamp member 41 attached to the threadedly engaging member 21 to accomplish positioning and immobilization; and a screw member 43 for tightening the two clamp members. The two clamp members 41 and 42 are tightened by means of the screw member 43, thereby securing the clamp members to the coupling part 4 while applying force in the direction in which the threadedly engaging member 21 side is retightened.
Inventors:
KOGURE YUSAKU (JP)
Application Number:
PCT/JP2018/046445
Publication Date:
October 03, 2019
Filing Date:
December 18, 2018
Export Citation:
Assignee:
KITZ SCT CORP (JP)
International Classes:
F16L19/00
Foreign References:
| US5312139A | 1994-05-17 | |||
| JP2015086957A | 2015-05-07 | |||
| JPS6289516U | 1987-06-08 | |||
| US5222768A | 1993-06-29 | |||
| JP2016038026A | 2016-03-22 | |||
| US5524936A | 1996-06-11 | |||
| US5350201A | 1994-09-27 | |||
| US5139289A | 1992-08-18 |
Attorney, Agent or Firm:
KOBAYASHI, Tetsuo (JP)
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