B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
206/6, 190/137.5
B65D 17/40 (2006.01) B65D 17/28 (2006.01) B65D 17/34 (2006.01) B65D 17/42 (2006.01) B65D 17/50 (2006.01) B65D 77/30 (2006.01)
Patent
CA 1201394
S P E C I F I C A T I O N To All Whom It May Concern: BE IT KNOWN THAT we, Kazumi Hirota, Yotaro Tsutsumi, Senji Itoh, Tadahiko Katsura, Kikuo Matsuoka, Ichiro Hori and Toshihiko Hayashi, residing at 39-1, 2-chome, Tomigaya, Shibuya-ku, Tokyo, Japan; 285, Kasama-cho, Totsuka-ku, Yokohama-shi, Kanagawa-ken, Japan; 191-15, Kozono, Ayase-shi, Kanagawa-ken, Japan; 1736-336, Kamigo-cho, Totsuka-ku, Yokohama-shi, Kanagawa-ken, Japan; 25, Sachigaoka, Asahi-ku, Yokohama-shi, Kanagawa-ken, Japan; 179, Oguchinaka-machi, Kanagawa-ku, Yokohama-shi, Kanagawa-ken, Japan and 25, Sachigaoka, Asahi-ku, Yokohama-shi, Kanagawa-ken, Japan, respectively, have invented certain new and useful improvements in: "EASILY-OPENABLE HEAT SEAL LID", of which the following is a specification. Abstract of the Disclosure Disclosed is an easily openable heat seal lid for sealing a vessel proper by forming a heat-sealed portion between the lid and the vessel proper, which comprises a laminate comprising at least an inner face member com- posed of a thermoplastic resin and a metal foil, wherein scores defining a portion to be opened are formed on the side inner than the portion to be heat-sealed so that the scores extend to the midway of the thickness direction of the metal foil, an opening tab is formed on the portion of the lid to be opened through a bonding fulcrum portion composed of a thermoplastic resin hot adhesive so that the push-tearing top end of the opening tab is located on the scores, and the peel strength between the - 1 - opening tab and the lid in said bonding portion is at least 0.4 Kg/5 mm. - 1' -
413656
Hayashi Toshihiko
Hirota Kazumi
Hori Ichiro
Itoh Senji
Katsura Tadahiko
Smart & Biggar
Toyo Seikan Kaisha Ltd.
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