Title:
ELEVATOR WEIGHT HAVING HANDLE AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/022254
Kind Code:
A1
Abstract:
An elevator weight having a handle of the present invention is manufactured by the steps of: (a) preparing a rectangular case formed of a metal or resin-based material, and having an empty interior; (b) forming a pair of through holes for fixing a handle on side surfaces of both ends of the case; (c) inserting an end of a metal round bar by a predetermined depth into the pair of through holes formed in step (b), and then temporarily fixing the metal round bar to the case; (d) charging a weight inside the case in which the metal round bar is temporarily fixed; (e) after step (d), curing charged mortar for a predetermined time outdoors such that the end of the temporarily-fixed metal round bar is embedded in the mortar, and at this time, the metal round bar protruding outside the mortar forms a handle.
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Inventors:
KIM EUNG JOO (KR)
Application Number:
PCT/KR2021/010978
Publication Date:
February 23, 2023
Filing Date:
August 18, 2021
Export Citation:
Assignee:
KIM EUNG JOO (KR)
International Classes:
B28B23/00; B28B7/00; B28B7/36; B66B17/12; C04B14/34; C04B28/02
Foreign References:
| CN206032962U | 2017-03-22 | |||
| CN103482456A | 2014-01-01 | |||
| JPH1072179A | 1998-03-17 | |||
| CN202193512U | 2012-04-18 | |||
| JP2011144006A | 2011-07-28 | |||
| JP2016210558A | 2016-12-15 |
Attorney, Agent or Firm:
B&IP-JOOWON PATENT AND LAW FIRM (KR)
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