Title:
EASY-SEPARATION PULP CONTAINER
Document Type and Number:
WIPO Patent Application WO/2022/057715
Kind Code:
A1
Abstract:
Provided is an easy-separation pulp container, comprising a conical container body (10) made of pulp material; the opening of the conical container body (10) has an outwardly turned edge; the outer wall of the open end of the conical container body (10) is integrally formed with a radially outwardly bulging bulge-limiting part (30); furthermore, when two conical container bodies (10) are overlapped, the opening of the outer conical container body (10) is restricted to the lower side of the highest bulge point of the bulge-limiting part (30) of the inner conical container body (10); the bulge-limiting part (30) comprises a conical separation surface (300) arranged on the outer wall of the open end of the conical container body (10); the diameter of the upper end of the conical separation surface (300) is smaller than the diameter of the lower end of the conical separation surface (300); the diameter of the lower end of the conical separation surface (300) is larger than the opening aperture of the conical container body (10); furthermore, the thickness between the conical separation surface (300) and the inner wall of the opening of the conical container body (10) gradually increases from top to bottom; the bulge-limiting part (30) further comprises a conical limiting surface (301) attached to the lower end of the conical separation surface (300) and smoothly connected to the outer wall of the conical container body (10); the diameter of the upper end of the conical limiting surface (301) is larger than the diameter of the lower end of the conical limiting surface (301).
Inventors:
PAN YAOHUA (CN)
WANG KAI (CN)
WAN LING (CN)
HONG XINGAN (CN)
WANG KAI (CN)
WAN LING (CN)
HONG XINGAN (CN)
Application Number:
PCT/CN2021/117325
Publication Date:
March 24, 2022
Filing Date:
September 08, 2021
Export Citation:
Assignee:
SHURCON MFG ZHEJIANG CO LTD (CN)
International Classes:
B65D21/02; B65D1/40
Foreign References:
| CN107386014A | 2017-11-24 | |||
| CN112110012A | 2020-12-22 | |||
| CN213293076U | 2021-05-28 | |||
| CN2344307Y | 1999-10-20 | |||
| CN207860758U | 2018-09-14 | |||
| CN101189164A | 2008-05-28 | |||
| CN208036917U | 2018-11-02 | |||
| JPH0958656A | 1997-03-04 | |||
| US5143247A | 1992-09-01 |
Attorney, Agent or Firm:
HANGZHOU YUCHENG PATENT AGENCY (GENERAL PARTNERSHIP) (CN)
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