Invention Grant
- Patent Title: Zipper tape and zipper tape-equipped container
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Application No.: US17278404Application Date: 2019-09-24
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Publication No.: US11357292B2Publication Date: 2022-06-14
- Inventor: Taishiro Akao
- Applicant: IDEMITSU UNITECH CO., LTD.
- Applicant Address: JP Tokyo
- Assignee: IDEMITSU UNITECH CO., LTD.
- Current Assignee: IDEMITSU UNITECH CO., LTD.
- Current Assignee Address: JP Tokyo
- Agency: Millen, White, Zelano & Branigan, PC
- Agent Ryan Pool
- Priority: JPJP2018-181737 20180927
- International Application: PCT/JP2019/037263 WO 20190924
- International Announcement: WO2020/067008 WO 20200402
- Main IPC: A44B19/34
- IPC: A44B19/34 ; B65D33/25 ; A44B19/16

Abstract:
A zipper tape having an elongated shape includes, in a cross-sectional shape thereof: a pair of base strips; and engagement portions projecting from respective opposing surfaces of the pair of base strips and being engageable with each other, in which at least the engagement portions each are formed with a resin composition including polypropylene, the resin composition having fusion enthalpy ΔH120 in a temperature range of higher than or equal to 120 degrees C. measured by differential scanning calorimetry (DSC) of less than 30 J/g, and has tensile modulus of elasticity of less than or equal to 600 MPa.
Public/Granted literature
- US20210353013A1 ZIPPER TAPE AND ZIPPER TAPE-EQUIPPED CONTAINER Public/Granted day:2021-11-18
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