公开(公告)号：WO2022071977A1

公开(公告)日：2022-04-07

申请号：PCT/US2021/010044

申请日：2021-09-30

Applicant: KULLBERG, Wilhelm

Inventor： KULLBERG, Wilhelm

IPC: B31B50/64 ,  B65B51/10 ,  B65B61/02 ,  B65B61/12 ,  B29C65/08 ,  B29C65/18 ,  B29C65/245 ,  B29C65/26 ,  B29C65/32 ,  B29C65/36 ,  B29C65/72 ,  B29C65/7882 ,  B29C66/0042 ,  B29C66/006 ,  B29C66/112 ,  B29C66/1122 ,  B29C66/135 ,  B29C66/346 ,  B29C66/43121 ,  B29C66/43122 ,  B29C66/71 ,  B29C66/72328 ,  B29C66/8122 ,  B29C66/81422 ,  B29C66/81425 ,  B29C66/81429 ,  B29C66/81457 ,  B29C66/8322 ,  B29C66/91216 ,  B29C66/91231 ,  B29C66/91421 ,  B29C66/919 ,  B29L2031/7166 ,  B31B2105/001 ,  B31B50/024 ,  B31B50/642 ,  B65B51/225 ,  B65B61/18

Abstract: A method of compressing & heat sealing a container closure "junction" of a 180 ° folded polymer coated, medium to heavy gauge, paperboard panel edge, between a polymer coated paperboard panel and a polymer coated film element edge, liquid proof.