Title:
LOCK HEAD FOR CONTAINERS
Document Type and Number:
WIPO Patent Application WO/2008/089601
Kind Code:
A1
Abstract:
A lock head for containers includes a root portion (11), a tooth portion (10) used
to be chucked with a lock seat and a shank portion (12) used to be welded with a connecting
pipe (14). The tooth portion (10), the root portion (11) and the shank portion
(12) are positioned at the front end, the middle and the rear end of the lock head
respectively, wherein the shank portion (12) is provided with a annular protuberance
(13) used to be welded with the connecting pipe (14), the annular protuberance
(13) has such height that it can make the connecting pipe be welded with the annular
protuberance in a way of butt joint, and there is a safety distance (H) between
the annular protuberance and the end face of root portion adjacent to the shank
portion. The present lock head for containers can enhance the weld strength of
the connecting pipe of the containers, thereby enhance the safety performance
of the containers.
Inventors:
YIN JIANHUA (CN)
LIN HAO (CN)
LIN HAO (CN)
Application Number:
PCT/CN2007/000336
Publication Date:
July 31, 2008
Filing Date:
January 31, 2007
Export Citation:
Assignee:
SHANGHAI HAIHANG SPARE PARTS O (CN)
YIN JIANHUA (CN)
LIN HAO (CN)
YIN JIANHUA (CN)
LIN HAO (CN)
International Classes:
E05B65/14; B65D90/00; E05B65/52; E05B83/14
Foreign References:
| CN2765878Y | 2006-03-22 | |||
| CN2315245Y | 1999-04-21 | |||
| CN2725220Y | 2005-09-14 | |||
| CN2782612Y | 2006-05-24 | |||
| CN2345656Y | 1999-10-27 | |||
| CN2758389Y | 2006-02-15 | |||
| CN2760175Y | 2006-02-22 | |||
| EP0832827A2 | 1998-04-01 |
Attorney, Agent or Firm:
DING & ASSOCIATES PATENT TRADEMARK & LAW (Zhang Jiang High-Tech Zone, Shanghai 3, CN)
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