Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
OUTER SKIN-INTEGRATED ECO-FRIENDLY BUOY AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2021/201366
Kind Code:
A1
Abstract:
A method for manufacturing an eco-friendly buoy according to one embodiment disclosed in the present document comprises the steps of: providing an internal structure; attaching an upper sheath and a lower sheath to the upper and lower surfaces of the internal structure, respectively; heating a side sheath and then attaching the side sheath to the internal structure; and combining a portion in which the side sheath and the upper sheath overlap each other and a portion in which the side sheath and the lower sheath overlap each other. The upper sheath, the lower sheath, and the side sheath are made of polypropylene (PP), polyethylene (PE), or polystyrene (PS), and the internal structure may include a foamed resin of the same type of material as the upper sheath, the lower sheath, and the side sheath.

Inventors:
KIM SUNG HO (KR)
HYUN JONG NUNG (KR)
LEE DONG YOUNG (KR)
KIM KI HYUN (KR)
Application Number:
PCT/KR2020/015739
Publication Date:
October 07, 2021
Filing Date:
November 11, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
KOSPA CORP (KR)
International Classes:
B29C63/22; B29C44/02; B29C44/04; B29C44/56; B29C63/00; B29C63/02; B29C65/08; B63B22/00
Foreign References:
KR101871242B12018-06-27
KR101696361B12017-01-13
KR101624681B12016-06-07
KR101241604B12013-03-11
US20170106947A12017-04-20
Attorney, Agent or Firm:
CHOI, Jong Hwan (KR)
Download PDF: