CN214726286U - 一种用于生产塑料颗粒的双螺杆挤出机内外循环冷却装置 - Google Patents
一种用于生产塑料颗粒的双螺杆挤出机内外循环冷却装置 Download PDFInfo
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- CN214726286U CN214726286U CN202120485139.5U CN202120485139U CN214726286U CN 214726286 U CN214726286 U CN 214726286U CN 202120485139 U CN202120485139 U CN 202120485139U CN 214726286 U CN214726286 U CN 214726286U
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- heat dissipation
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CN202120485139.5U CN214726286U (zh) | 2021-03-06 | 2021-03-06 | 一种用于生产塑料颗粒的双螺杆挤出机内外循环冷却装置 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An internal and external circulating cooling device for twin-screw extruder used for producing plastic particles Effective date of registration: 20220610 Granted publication date: 20211116 Pledgee: Zhejiang Panan Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG JULONG PLASTIC ELECTRICAL APPLIANCE CO.,LTD. Registration number: Y2022330000923 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230719 Granted publication date: 20211116 Pledgee: Zhejiang Panan Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG JULONG PLASTIC ELECTRICAL APPLIANCE CO.,LTD. Registration number: Y2022330000923 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A dual screw extruder internal and external circulation cooling device for producing plastic particles Effective date of registration: 20230809 Granted publication date: 20211116 Pledgee: Zhejiang Panan Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG JULONG PLASTIC ELECTRICAL APPLIANCE CO.,LTD. Registration number: Y2023330001694 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |