04287807 is referenced by 161 patents and cites 10 patents.

In a pull-to-set anchoring device for cementatious material in which a nut is disposed upon one end of a stem and a head is formed on the other and a band is disposed on the stem intermediate the head and the nut, the band being arranged to slide into engagement with the cementatious material when the nut is twisted, the improvement including forming a groove on the outer surface of the head and disposing a resilient ring in the groove whereby the band is engaged and expanded to improve the holding characteristics of the device.

Title
Pull-to-set anchoring device
Application Number
6/44595
Publication Number
4287807
Application Date
June 1, 1979
Publication Date
September 8, 1981
Inventor
Kunissery P Sadanandan
Reading
PA, US
George H Pacharis
Wyomissing
PA, US
Agent
Owen J Meegan
Assignee
USM Corporation
CT, US
IPC
F16B 33/04
F16B 13/04
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