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1. WO2020059787 - SQUARE-TUBE STRAW PRODUCTION METHOD AND SQUARE-TUBE STRAW

Publication Number WO/2020/059787
Publication Date 26.03.2020
International Application No. PCT/JP2019/036721
International Filing Date 19.09.2019
IPC
A47G 21/18 2006.01
AHUMAN NECESSITIES
47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
GHOUSEHOLD OR TABLE EQUIPMENT
21Table-ware
18Drinking straws or the like
B29C 53/38 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
53Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
36Bending and joining, e.g. for making hollow articles
38by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges
B31C 5/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
CMAKING WOUND ARTICLES, e.g. WOUND TUBES, OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
5Making tubes or pipes without using mandrels
B31D 5/00 2017.01
BPERFORMING OPERATIONS; TRANSPORTING
31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
DMAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C158
5Multiple-step processes for making three-dimensional articles
Applicants
  • 日本製紙株式会社 NIPPON PAPER INDUSTRIES CO., LTD. [JP/JP]; 東京都北区王子1丁目4番1号 4-1, Oji 1-chome, Kita-ku, Tokyo 1140002, JP
Inventors
  • 龍田 博之 TATSUTA Hiroyuki; JP
  • 長谷川 真 HASEGAWA Makoto; JP
Agents
  • 山田 泰之 YAMADA Yasuyuki; JP
  • 長谷部 善太郎 HASEBE Zentaro; JP
  • 中村 理弘 NAKAMURA Masahiro; JP
  • 太田 千香子 OTA Chikako; JP
Priority Data
2018-17682821.09.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) SQUARE-TUBE STRAW PRODUCTION METHOD AND SQUARE-TUBE STRAW
(FR) PROCÉDÉ DE PRODUCTION DE PAILLE À TUBE CARRÉ ET PAILLE À TUBE CARRÉ
(JA) 角筒ストローの製造方法及び角筒ストロー
Abstract
(EN)
The present invention addresses the problem of providing a method for producing a square-tube straw that can be flattened out into a planar shape. Provided as a solution for the problem is a square-tube straw production method involving: forming ruled lines, for forming a square tube, on a base material so as to be parallel to the long-side direction; folding the base material along the lines so as to cause a long-side end surface to overlap with a joining surface; and bonding the surfaces, through the application of pressure, in as state where the base material is in a flattened-out state.
(FR)
La présente invention traite le problème de la fourniture d'un procédé permettant de produire une paille à tube carré qui peut être aplatie dans une forme plane. Comme solution au problème, la présente invention porte sur un procédé de production de paille à tube carré consistant : à former des lignes réglées, pour former un tube carré, sur un matériau de base de sorte à être parallèles à la direction du côté long ; à plier le matériau de base le long des lignes de sorte à amener une surface d'extrémité côté long à chevaucher une surface de jonction ; et à lier les surfaces, par l'application d'une pression, dans un état dans lequel le matériau de base est dans un état aplati.
(JA)
平板状に押し潰すことができる角筒ストローの製造方法を提供することを課題とする。解決手段として、基材に、長辺方向と平行に角筒形成用の罫線加工を施し、長辺端面と接合面が重なるように前記罫線に沿って折り畳み、平板状に押し潰した状態で加圧接着する角筒ストローの製造方法を提供する。
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