Title:
CORE-INSERTED SPIRAL TUBE AND MANUFACTURING METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/033358
Kind Code:
A1
Abstract:
The present invention relates to a core-inserted spiral tube and a manufacturing method thereof and, more specifically, to: a core-inserted spiral tube which comprises a metal spiral tube and a polymer elastic material inserted into the metal spiral tube, and thus has improved cyclic elastic characteristics; and a method for manufacturing same.
Inventors:
CHOI HYUN SEOK (KR)
HAN SANG HYO (KR)
PARK JEONG HYUN (KR)
HAN SANG HYO (KR)
PARK JEONG HYUN (KR)
Application Number:
PCT/KR2022/010487
Publication Date:
March 09, 2023
Filing Date:
July 19, 2022
Export Citation:
Assignee:
SMT CORP (KR)
International Classes:
H01J37/32; F16L3/123
Foreign References:
| KR102271387B1 | 2021-06-30 | |||
| JP2012233510A | 2012-11-29 | |||
| KR20180025832A | 2018-03-09 | |||
| JPH10200284A | 1998-07-31 |
Other References:
ANONYMOUS: "Spiral Spring Gasket", E-SONG EMC CO., LTD., 21 January 2021 (2021-01-21), XP093043176, Retrieved from the Internet [retrieved on 20230501]
Attorney, Agent or Firm:
KANGIN IP&LAW (KR)
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