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Title:
ELASTIC SHEET MANUFACTURING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/024180
Kind Code:
A1
Abstract:
An elastic sheet manufacturing device, comprising a rack (1), and an elastic film unwinding mechanism (91), a slow driving spoke (92), a fast driving spoke (93), a composite station (94), an ultrasonic device (95), an intermediate driving spoke (96), a cutting device (97), a tension buffer mechanism (98), and an output driving spoke (99) which are provided on the rack (1) along an assembly line, wherein the rack (1) is provided with an upper base material conveying mechanism and a lower base material conveying mechanism at the composite station (94); the ultrasonic device (95) is provided with a plurality of welding points; the welding points form a partition line (F); an included angle (C) between the projection of the partition line (F) on a horizontal plane and an advancing direction of the assembly line is 25-35 degrees; and the cutting device (97) is provided with a plurality of cutting portions for forming a cut unit (6) on a sheet. The technical problem that there is no elastic sheet manufacturing device which can realize relatively good air permeability and wearing comfort in the field of existing disposable hygienic products is solved.

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Inventors:
LIN DI (CN)
HUANG YUXIN (CN)
Application Number:
PCT/CN2021/118106
Publication Date:
March 02, 2023
Filing Date:
September 14, 2021
Export Citation:
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Assignee:
QUANZHOU HANWEI MACHINERY MFG CO LTD (CN)
International Classes:
B32B37/00; B32B37/06; B32B37/08; B32B37/10; B32B38/00
Foreign References:
CN111823684A2020-10-27
CN111084693A2020-05-01
CN107205859A2017-09-26
CN110623794A2019-12-31
CN113662751A2021-11-19
CN113665184A2021-11-19
CN113681995A2021-11-23
CN112319002A2021-02-05
CN109157333A2019-01-08
JP2009172231A2009-08-06
JP2020054742A2020-04-09
Attorney, Agent or Firm:
QUANZHOU CHENGDE INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) (CN)
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