发明名称 |
Easy to open zipper tape, and packaging bag with easy to open zipper tape |
摘要 |
A connecting portion is provided between a first thick portion and a second thick portion in a cutting portion. Further, a thinnest portion on which a stress can be concentrated is provided to the connecting portion. Accordingly, when tearing a base material film of a bag body, the connecting portion can guide a cutting line toward the thinnest portion to position the cutting line in the thinnest portion, so that the bag body can be easily opened. |
申请公布号 |
US9085393(B2) |
申请公布日期 |
2015.07.21 |
申请号 |
US201013502633 |
申请日期 |
2010.10.19 |
申请人 |
Idemitsu Unitech Co., Ltd. |
发明人 |
Katada Ryo;Mogami Michio;Goto Shuichi |
分类号 |
B65D33/16;B65D33/00;A44B1/04;A44B5/02;B65D33/25 |
主分类号 |
B65D33/16 |
代理机构 |
Millen, White, Zelano & Branigan, P.C. |
代理人 |
Millen, White, Zelano & Branigan, P.C. |
主权项 |
1. An easily tearable zipper tape that is attached to an inner surface of a bag body having an opening in a manner to extend along the opening, the easily tearable zipper tape comprising:
a male belt-like base having a male member, and a female belt-like base having a female member engageable with the male member, wherein at least one of the male belt-like base and the female belt-like base comprises a cutting portion at a longitudinal end near the opening, the cutting portion comprising: a pair of elongated thick portions that are thicker than a thickness of the at least one of the male belt-like base and the female belt-like base and is provided along the at least one of the male belt-like base and the female belt-like base; and a connecting portion provided between the pair of thick portions, the connecting portion comprising a thinnest portion on which a stress is adapted to be concentrated, and a hole is formed at least in the connecting portion of the cutting portion to extend over a part of the thick portion, the hole penetrating the connecting portion in a thickness direction and extending over the connecting portion in a width direction, and wherein the hole extends over a substantial half of each of the pair of thick portions. |
地址 |
Chuo-ku, Tokyo JP |