Patent · US Active

Punch pin assembly and die casting machine having punch pin assembly

US11420252B2 · kind B2 · utility

0Cited by

2References

7Claims

0Family size

Assignee

CITIC Dicastal Co., Ltd. · CN

Inventors

Chuan Dai · Qinhuangdao City, CN
Jiansheng Wang · Qinhuangdao City, CN
Yachun Wan · Laishui, CN
Yang Han · Sunnyvale, US
Hongyin Zhang · Qinhuangdao City, CN
BO TIAN · Nanhu, CN
Gang Zhao · Hubei, CN
Zhi Chen · Qinhuangdao City, CN

Key dates

Filing date	Dec 12, 2019
Grant date	Aug 23, 2022
Priority date	—
Expiry date	Dec 18, 2039

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB22D17/2038
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A punch pin assembly includes a punch rod, a punch pin and a punch pin connection rod connected therebetween. A heat-conducting medium conveying loop is arranged in the punch rod and the punch pin connection rod. The heat-conducting medium conveying loop communicates with the outside of the punch rod separately through a first medium port and a second medium port which are formed in the punch rod.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.