Collapsible element pocket former

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专利权人:

Felix Sorkin

发明人:

Felix Sorkin

申请号：

US16142987

公开号：

US10500799B2

申请日:

2018.09.26

申请国别(地区):

US

年份:

2019

代理人:

摘要：

A pocket former may include a pocket former body, the pocket former body having an outer surface. The pocket former may further include a collapsible element, the collapsible element formed on the outer surface of the pocket former body. The collapsible element may extend radially outwardly from the pocket former body.

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/