PACKAGING BAG AND TEAR GUIDANCE WEAKENING LINE FORMING METHOD FOR PACKAGING BAG

To provide a packaging bag enabling a tear from a tear starting part to pass through an auxiliary guidance line and surely reach a main guidance line connected thereto.SOLUTION: This packaging bag in which tear guidance weakening lines 10, 20 for guiding a tear from a first tear starting part 15a ar...

Full description

Saved in:
Bibliographic Details
Main Authors HATA MOTOHIDE, ISHIZAKA KOICHI, MIURA TAKASHI
Format Patent
LanguageEnglish
Japanese
Published 31.08.2020
Subjects
ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR
CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS
CONVEYING
HANDLING THIN OR FILAMENTARY MATERIAL
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
PACKAGES
PACKAGING ELEMENTS
PACKING
PERFORMING OPERATIONS
STORING
TRANSPORTING
Online AccessGet full text

Cover

More Information
Summary:To provide a packaging bag enabling a tear from a tear starting part to pass through an auxiliary guidance line and surely reach a main guidance line connected thereto.SOLUTION: This packaging bag in which tear guidance weakening lines 10, 20 for guiding a tear from a first tear starting part 15a are respectively formed in first and second films 100a, 100b is configured such that the tear guidance weakening lines 10, 20 include main guidance lines 11, 21 extending in a direction away from a first junction 16, and first auxiliary guidance lines 12a, 22a extending in a direction away from the outer edge line of the first junction 16, connected to the main guidance lines 11, 21, and then returned toward the outer edge line, and the first auxiliary guidance lines 12a, 22a have a part 123 within a predetermined range including connection points P with the main guidance lines 11, 21 as a fist specially shaped part which is a linear groove deeper and/or thicker than the main guidance lines 11, 21.SELECTED DRAWING: Figure 1 【課題】引裂き開始部からの引裂きが補助誘導線を経てそれに接続する主誘導線に確実に進むことが可能な包装袋を提供することである。【解決手段】第１引裂き開始部１５ａからの引裂きを誘導する引裂き誘導弱め線１０、２０が前記第１フィルム１００ａ及び第２フィルム１００ｂのそれぞれに形成された包装袋であって、引裂き誘導弱め線１０，２０は、第１接合部１６から離れる方向に延びる主誘導線１１、２１と、第１接合部１６の外縁線から離れる方向に延び、主誘導線１１、２１に接続して前記外縁線に向かって戻る第１補助誘導線１２ａ、２２ａと、を含み、第１補助誘導線１２ａ、２２ａは、主誘導線１１、２１との接続点Ｐを含む所定範囲の部分１２３を、前記主誘導線１１、２１より深い、及びまたは太い線状溝である第１特別形状部分として有する、構成となる。【選択図】図１
Bibliography:Application Number: JP20190025105