Title:
METHOD AND SPECIALIZED EQUIPMENT FOR MANUFACTURING BOTTOM OF DUST REMOVAL FILTER BAG, AND FILTER BAG
Document Type and Number:
WIPO Patent Application WO/2019/114672
Kind Code:
A1
Abstract:
Provided is a method for manufacturing the bottom of a dust removal filter bag, the method involving: tightly gathering filtering materials at a port of an end, where the bottom of the bag is to be manufactured, of a cylindrical bag body (1) into a pinch to form a sealed bottom of the bag, wherein the filtering materials comprise a cylindrical filtering material connected to a filtering material of the cylindrical bag body and extend therewith. Further provided are a corresponding specialized equipment for manufacturing the bottom of a bag, and a corresponding clasped sealed bottom of a bag.
Inventors:
YAO HANG (CN)
YAO CHAOSHENG (CN)
LIU JIANGUO (CN)
YAO CHAOSHENG (CN)
LIU JIANGUO (CN)
Application Number:
PCT/CN2018/120167
Publication Date:
June 20, 2019
Filing Date:
December 11, 2018
Export Citation:
Assignee:
SHANDONG SHENGHUA INVEST CO LTD (CN)
International Classes:
B01D29/27; B01D46/02
Foreign References:
| CN203346869U | 2013-12-18 | |||
| CN207928899U | 2018-10-02 | |||
| CN102284215A | 2011-12-21 | |||
| CN105263596A | 2016-01-20 | |||
| CN104436866A | 2015-03-25 |
Attorney, Agent or Firm:
WENGHENG INTELLECTUAL PROPERTY AGENCY OFFICE (CN)
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