Title:
METHOD FOR MOLDING SOUND-ABSORBING MATERIAL FOR AUTOMOBILE
Document Type and Number:
WIPO Patent Application WO/2022/108138
Kind Code:
A1
Abstract:
Disclosed is a method for molding a sound-absorbing material for an automobile, which can simplify a work process and process cycles by simultaneously performing adhesion and molding of a first fiber and a second fiber, thereby increasing production speeds and reducing equipment investment costs. The method for molding a sound-absorbing material for an automobile comprises the steps of: (a) preparing a first fiber and a second fiber; (b) providing an adhesive material between the first fiber and the second fiber and setting them in a molding machine; and (c) pressing an upper mold and a lower mold of the molding machine to adhere the first fiber and the second fiber to each other and mold same at the same time, wherein the upper mold and the lower mold may perform different processes.
Inventors:
HONG JUN HO (KR)
HAN JOO KWON (KR)
HAN JOO KWON (KR)
Application Number:
PCT/KR2021/014843
Publication Date:
May 27, 2022
Filing Date:
October 21, 2021
Export Citation:
Assignee:
NVH KOREA INC (KR)
International Classes:
B29C65/48; B29C51/10; B29C65/70; B29L31/30
Foreign References:
| JPH0632022U | 1994-04-26 | |||
| KR101054752B1 | 2011-08-05 | |||
| JP2014516818A | 2014-07-17 | |||
| KR20040003785A | 2004-01-13 | |||
| KR101980336B1 | 2019-05-20 | |||
| KR102294294B1 | 2021-08-27 |
Other References:
See also references of EP 4088914A4
Attorney, Agent or Firm:
LEE, Sang-Pil (KR)
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