Patent Number: 6,309,155

Title: Expanding sleeve anchor used in a concrete wall and structure for enhancing the anchoring capability thereof

Abstract: An expanding sleeve anchor structure includes a nail base tube cooperating with a tapered spreading member. The nail base tube has an upper section provided with a plurality of separating lines each having an elongated transverse hollow slot substantially centered thereon which is used for reducing the stress concentration of the upper section of the nail base tube when the upper section of the nail base tube is forced to expand outward resulting in complete expansion.

Inventors: Huang; Pan Ching (Hsien Hsi Hsiang, TW)

Assignee: Joker Industrial Co., Ltd.

International Classification: F16B 13/08 (20060101); F16B 13/04 (20060101); F16B 013/06 ()

Expiration Date: 10/30/2018