Title:
PAPER STRAW, AND DEVICE AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2022/028194
Kind Code:
A1
Abstract:
Disclosed are a paper straw, and a device and a method for manufacturing same. The paper straw comprises a paper straw body (10), wherein the paper straw body (10) is a paper layer (12) when in an unfolded state, the paper layer (12) is provided with two side edges and two end parts, side surfaces of two sides of the paper layer (12) are folded and abutted to form the paper straw, and define an overlapping area of the side surfaces of the two sides of the paper layer (12) as a joint section (14). The paper straw can be continuously formed and manufactured, and thus the production and manufacturing efficiency of the paper straw is greatly improved, the structural design is rational and simple, the use of same is convenient and quick, and the practicability is very high.
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Inventors:
LING HONGJUN (CN)
YANG ZHENER (CN)
YANG ZHENER (CN)
Application Number:
PCT/CN2021/104969
Publication Date:
February 10, 2022
Filing Date:
July 07, 2021
Export Citation:
Assignee:
NANJING HIGH EFFICIENCY PREC AUTOMATION CO LTD (CN)
International Classes:
B31D5/02; A47G21/18
Foreign References:
| CN111685566A | 2020-09-22 | |||
| CN212815783U | 2021-03-30 | |||
| TWI690412B | 2020-04-11 | |||
| CN210204333U | 2020-03-31 | |||
| US20190307274A1 | 2019-10-10 |
Attorney, Agent or Firm:
NANJING TAIPU PATENT AGENCY (GENERAL PARTNERSHIP) (CN)
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