Patent · US Expired

Device for securing an expansion anchor

US4051990A · kind A · utility

13Cited by

5References

12Claims

0Family size

Assignee

Hilti Aktiengesellschaft · LI

Inventors

Franz Chromy · Feldkirch, AT
Walter Winkler · Neustadt an der Waldnaab, DE
Manfred Mahr · Eisenlohrsweg, AT
Fritz Mark · Tanunda, AU

Key dates

Filing date	Jul 1, 1975
Grant date	Oct 4, 1977
Priority date	—
Expiry date	Jul 1, 1995

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB27F4/00
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

For securing an expansion anchor formed of an anchor sleeve and an expansion element into a prepared hole in a receiving material, a conventional piston type explosive powder charge driven setting gun is adapted to hold individual anchors in a guide member mounted on the gun and then by means of a combined sleeve-like piston guide and piston mounted within the guide member to insert the anchor from the guide member into the prepared hole and to drive the expansion element into the anchor sleeve for firmly securing the anchor within the hole.

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