Title:
SQUARE ROLLED RIM FORMING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2023/123016
Kind Code:
A1
Abstract:
A square rolled rim forming apparatus, comprising a die (10) provided with a retaining table (11), and a plurality of slide blocks (20). A paper container (200) can be fitted into the die (10), and a rolled rim (201) of the paper container (200) abuts against the retaining table (11); a plurality of slide blocks (20) are provided at a peripheral position of the die (10), and are each provided with a boss (21), and the plurality of slide blocks (20) can simultaneously move in a direction towards the die (10) so that a plurality of bosses (21) simultaneously press the rolled rim (201) abutting against the retaining table (11).
Inventors:
WANG JIANPING (CN)
Application Number:
PCT/CN2021/142356
Publication Date:
July 06, 2023
Filing Date:
December 29, 2021
Export Citation:
Assignee:
ZHEJIANG DISCOVER MACHINERY MFG CO LTD (CN)
International Classes:
B31B50/74; B31B50/00; B31D5/00; B31B110/10
Foreign References:
| CN207789845U | 2018-08-31 | |||
| CN113232366A | 2021-08-10 | |||
| CN2780456Y | 2006-05-17 | |||
| CN108943858A | 2018-12-07 | |||
| EP3812508A1 | 2021-04-28 | |||
| EP3851387A1 | 2021-07-21 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (HANGZHOU) (CN)
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