PACKAGING BAG

• Main Author: YOSHINAGA RYO
• Format: Patent
• Language: English; Japanese
• Published: 10.08.2023
• 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; PACKAGES; PACKAGING ELEMENTS; PACKING; PERFORMING OPERATIONS; STORING; TRANSPORTING

To provide a packaging bag having a smaller step of a knob portion to be formed by unsealing, and less apt to be carelessly broken.SOLUTION: A packaging bag in which a first sheet portion 1F and a second sheet portion 1B are opposed to each other to form an enclosure space where a to-be-packaged object is stored, comprises: a first linear-guide perforation line 11 that is formed nearly opposing to the first sheet portion and the second sheet portion, and has a first cut line 11B formed on a route from a first edge 1E1 to a second edge 1E2 of the packaging bag; a second linear-guide perforation line 12 that has a second cut line 12B, and is formed at a nearly constant distance from the first linear-guide perforation line; an unsealing guide line 13; and a departure prevention line 16, wherein a start point of the departure prevention line is formed apart from an end on the first edge side of the second cut line, an end point is formed apart from the first cut line on the first edge side from the start point, and a shortest distance from an end on the first edge side of the second cut line is equal to or greater than 0.7 mm.SELECTED DRAWING: Figure 1 【課題】開封により形成されるつまみ部分の段差がより小さく、しかも、不用意に破れることのない包装袋を提供する。【解決手段】第１のシート部１Ｆと第２のシート部１Ｂとが対向して被包装物が収容される密閉空間が形成される包装袋であって、前記第１のシート部及び前記第２のシート部に略対向して形成され、前記包装袋の第１の縁１Ｅ１から第２の縁１Ｅ１への経路上に形成された第１切れ線１１Ｂを有する第１直進誘導ミシン目線１１と、第２切れ線１２Ｂを有し、前記第１直進誘導ミシン目線から略一定の距離に形成される第２直進誘導ミシン目線１２と、開封誘導線１３と、逸脱防止線１６とを備え、逸脱防止線の始点が前記第２切れ線の前記第１の縁側の端から離間して形成され、終点が前記始点より前記第１の縁側で前記第１切れ線から離間して形成され、前記第２切れ線の前記第１の縁側の端からの最短距離が０．７ｍｍ以上である。【選択図】図１