Title:
METHOD AND APPARATUS FOR MANUFACTURING PAPER STRAWS
Document Type and Number:
WIPO Patent Application WO/2020/075093
Kind Code:
A3
Abstract:
Method for manufacturing straws (50) comprising: providing a web or discrete sheet (1a, 1b) made of paper material which extends between a first and a second end portion (2, 3); providing a winding body (11) extending along an axis (A) and winding it around said web or discrete sheet (1a, 1b) to define a cylindrical body (5) in which the end portions (2, 3) face each other to define a mutual overlapping portion (4); constraining the end portions (2, 3) to define a straw (50) extending between a first and a second circular free edge (51, 52), said mutual overlapping portion (4) extending between the first and second free edge (51, 52) of the straw (50) along a straight direction.
Inventors:
ANGHILERI GIANMARIO (IT)
Application Number:
PCT/IB2019/058611
Publication Date:
July 23, 2020
Filing Date:
October 09, 2019
Export Citation:
Assignee:
NOVACART SPA (IT)
International Classes:
B31C1/00; B31F1/00
Foreign References:
| CH264925A | 1949-11-15 | |||
| US0706895A | 1902-08-12 | |||
| JP2000289125A | 2000-10-17 | |||
| GB2092060A | 1982-08-11 | |||
| US0662345A | 1900-11-20 | |||
| DE169447C | ||||
| DE1157465B | 1963-11-14 | |||
| JPS60212338A | 1985-10-24 | |||
| DE600561C | 1934-07-26 |
Attorney, Agent or Firm:
BRASCA, Marco (IT)
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