公开(公告)号：US3655486A

公开(公告)日：1972-04-11

申请号：US3655486D

申请日：1969-05-26

Applicant: HAGINO KIKO CO LTD ,  MITSUBISHI PETROCHEMICAL CO

Inventor： HAGINO SEIJI ,  MASUDA KOHEI ,  HASEGAWA KAZUMASA ,  HOSONO YASUZI

IPC: B29C43/30 ,  B29C47/06 ,  B29C51/24 ,  B29C69/02 ,  B32B27/00 ,  B29J1/00 ,  B32B3/30

CPC classification number: B32B27/00 ,  B29C43/305 ,  B29C47/0019 ,  B29C47/0021 ,  B29C47/003 ,  B29C47/0033 ,  B29C47/0038 ,  B29C47/0047 ,  B29C47/0054 ,  B29C47/02 ,  B29C47/065 ,  B29C51/24

Abstract: Production of thermoplastic synthetic resin laminated material having a large number of independent air cells, the method comprising steps of extruding two sheets of filmy molten resin, engaging one of the sheets of filmy molten resin onto an endless molding belt, which has a large number of independent holes, and before the filmy molten resin sheets harden, applying a suction to the one filmy molten resin sheet corresponding to the holes of the endless molding belt, and bonding the other sheet of filmy molten resin on the flat side of the one of the filmy molten resin sheets, the product may be used for packing or buffering of articles.

Abstract translation: 生产具有大量独立气泡的热塑性合成树脂层压材料，该方法包括以下步骤：挤出两片薄膜熔融树脂，将一片薄膜熔融树脂接合在环形模制带上，该环形模制带具有大量 独立的孔，并且在膜状熔融树脂片硬化之前，对与环形模制带的孔相对应的一个膜状熔融树脂片施加抽吸，并将另一片薄膜熔融树脂粘合在该一个 薄膜熔融树脂片，该产品可用于物品的包装或缓冲。

公开(公告)号：US3615996A

公开(公告)日：1971-10-26

申请号：US3615996D

申请日：1969-10-13

Applicant: MITSUBISHI PETROCHEMICAL CO

Inventor： HASEGAWA KAZUMASA ,  HOSONO YASUZI

IPC: B29C65/00 ,  B29C65/02 ,  B29C65/74 ,  B31B19/64 ,  B32B31/18 ,  B32B31/16

CPC classification number: B29C66/137 ,  B29C65/02 ,  B29C65/18 ,  B29C65/7439 ,  B29C65/7459 ,  B29C66/032 ,  B29C66/1122 ,  B29C66/133 ,  B29C66/3262 ,  B29C66/43 ,  B29C66/4312 ,  B29C66/4322 ,  B29C66/71 ,  B29C66/73715 ,  B29C66/83413 ,  B29C66/83511 ,  B29C66/836 ,  B31B70/64 ,  Y10T156/1054 ,  B29K2023/06 ,  B29K2023/0633

Abstract: A method of sealing polyethylene films which comprises feeding to a sealing slit section piled polyethylene films, prepared by an inflation molding method and having a blow ratio of greater than 2, in the tensioned state at a stress higher than the heat shrinking stress of the polyethylene film in the sealing direction and lower than the stress required to stretch said film 3 percent, and slitting and welding said films while maintaining them in the tensioned state.