Title:
NEW-TYPE T-SHAPED SPREADING SCREW, ROLLER BODY AND USE OF ROLLER BODY
Document Type and Number:
WIPO Patent Application WO/2021/103573
Kind Code:
A1
Abstract:
Disclosed are a new-type T-shaped spreading screw (1), a roller body (2) and use of the roller body (2). The new-type T-shaped spreading screw (1) comprises a base (11). A lower surface (12) of the base (11) is a plane or protrudes downwards, a first cloth-spreading portion (13) is vertically connected to an upper surface of the base (11), an arc-shaped supporting portion (15) is arranged at the top of the first cloth-spreading portion (13), and the cross sectional area of the first cloth-spreading portion (13) is smaller than that of the base (11). The upper surface of the base (11) is vertically connected to the first cloth-spreading portion (13), such that the effective cloth spreading height of the spreading screw is increased, and the cloth spreading effect is improved by increasing the contact area between the cloth-spreading portion and a greige fabric.
Inventors:
GAO YUCHENG (CN)
Application Number:
PCT/CN2020/101658
Publication Date:
June 03, 2021
Filing Date:
July 13, 2020
Export Citation:
Assignee:
SHANDONG GUANGTAI ENVIRONMENTAL TECH COMPANY LIMITED (CN)
International Classes:
B65H23/025; D06C3/06
Foreign References:
| CN110422677A | 2019-11-08 | |||
| CN1932122A | 2007-03-21 | |||
| CN2851314Y | 2006-12-27 | |||
| CN204957929U | 2016-01-13 | |||
| CN200964457Y | 2007-10-24 | |||
| JPH06297604A | 1994-10-25 | |||
| US4330909A | 1982-05-25 |
Attorney, Agent or Firm:
BEIJING ZHILIN HENGYUAN IP FIRM (CN)
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