Title:
PLASTIC CORRUGATED CARDBOARD
Document Type and Number:
WIPO Patent Application WO/2018/194382
Kind Code:
A1
Abstract:
The present invention relates to a plastic corrugated cardboard which is made of a plastic material and comprises: an upper board part and a lower board part; a plurality of ribs disposed between the upper board part and the lower board part, and arranged at regular intervals in the left-and-right direction and extending side by side in the forward-and-backward direction, thus defining hollow portions formed therebetween; and heat welded parts formed in the upper board part and the lower board part, wherein each of the heat welded parts is formed by depressing a portion of the upper board part and a portion of the lower board part such that the portions face each other, and heat-welding the depressed portions to each other.
Inventors:
PARK SAM-WOO (KR)
LEE JAE-JOON (KR)
LEE JAE-JOON (KR)
Application Number:
PCT/KR2018/004528
Publication Date:
October 25, 2018
Filing Date:
April 19, 2018
Export Citation:
Assignee:
GILTECH (KR)
International Classes:
B29C65/00; B29C65/02; B29D24/00; B32B3/28; B32B27/08
Foreign References:
| KR20060104906A | 2006-10-09 | |||
| JP2004017536A | 2004-01-22 | |||
| JPH07242149A | 1995-09-19 | |||
| KR20140076148A | 2014-06-20 | |||
| KR20040085454A | 2004-10-08 | |||
| JP2009107144A | 2009-05-21 |
Attorney, Agent or Firm:
NOH, Kyoung-tack (KR)
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