FILLING PORT OPENING/CLOSING MECHANISM OF PACKAGING MATERIAL WITH CHECK VALVE

• Main Author: HAGIWARA TADASHI
• Format: Patent
• Language: English; Japanese
• Published: 21.11.2019
• Subjects: ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; BLASTING; 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; CYLINDERS; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HANDLING THIN OR FILAMENTARY MATERIAL; HEATING; LIGHTING; MECHANICAL ENGINEERING; PACKAGES; PACKAGING ELEMENTS; PACKING; PERFORMING OPERATIONS; PISTONS; SEALINGS; STORING; THERMAL INSULATION IN GENERAL; TRANSPORTING; WEAPONS

To provide a filling port opening/closing mechanism of a packaging material with a check valve that is not necessary to use a bag fastening clip at a filling port of the packing material with the check valve and can be easily opened for filling or sealed after filling.SOLUTION: A filling port opening/closing mechanism of a packaging material with a check valve includes: a slit-like opening provided on one side of the film-like or sheet-like packaging material; a soft plate integrally joined to an upper surface across the slit-like opening; and an adhesive sealing tape detachably attached to a slit part of the soft plate on the upper surface of the slit-like opening.SELECTED DRAWING: Figure 1 【課題】逆止弁付き包材の充填口に袋止め用クリップを採用する必要がなく、充填のために開封したり、充填後に密封したりする作業を簡単に行うことができる逆止弁付き包材の充填口開閉機構を提供しようとする【解決手段】フィルム状あるいはシート状包材の片面に設けたスリット状開口と、該スリット状開口を挟んでその上面に一体的に接合した軟質板と、前記スリット状開口の上面の軟質板のスリット部分に着脱可能に貼付した粘着性封止テープとを備えることを特徴とする逆止弁付き包材の充填口開閉機構。【選択図】図１