PURPOSE: To provide a multiple layer type flexible container which can ensure safety at the time of transport, is superior in resource saving, environmental protection and economy, and in addition, can facilitate the taking out of a content.
CONSTITUTION: A multiple layer type flexible container consists of an internal bag and an external bag which has a handle for hanging on the top and a take out port of a content in the internal bag, on the bottom. The internal bag is an internal bag containing a content as shown in (a), and consists of a cylindrical body 1 which is formed of a fabric of a polypropylene fiber, and the bottom of which is tied with a string 5. The internal bag is placed and carried in the external bag. The external bag has the handle, and for which string-form or mesh-form raw materials are bundled and knitted so that the external bag may have a strength being stronger than the internal bag, which can withstand the the weight of a cement product, which is the content, or an impact load at the time of charging or transport, etc. The bottom shape of the external bag is square, and the external bag has a take-out port at the central part so that the content in the internal bag can be taken out.
| JPS59136440 | [Title of the device] Bag |
| JP3028143 | [Name of device] Packaging bag |
UMESHITA ITSUO
NAKAI NAOTADA
Next Patent: 2-CHAMBER TRANSFUSION BAG