IP Library › Granted Patent US 12,241,245
Granted Patent B2
US 12,241,245 · App. 17/491,342 · Granted Mar 4, 2025

Concrete fastener installation using low viscosity adhesive

Inventor: Joel Houck (Cedar Lake, IN)
Assignee: Simpson Strong-Tie Company Inc.
E04B1/4157F16B13/142F16B2013/148
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Quick Facts
Patent No.
US 12,241,245
App. No.
17/491,342
Granted
Mar 4, 2025
Kind
B2
Abstract

A method for installing fastener in a base material. The fastener has a shank having a first end and a second end defining a length, a head provided at the second end, and a thread provided on the shank which includes a leading edge and a trailing edge adapted remove portions of the base material when inserted into the base material. The method includes forming a hole having a diameter which is a nominal shank diameter of the fastener to be installed in the base material. The hole is then filled with an adhesive having a viscosity of 350 cP or less. Finally, the fastener is rotated into the hole such that the adhesive is forced into portions of the base material adjacent to the shank and thread when the thread is fully inserted into the hole.

Claims (9)

1. A method for installing fastener in a base material, the fastener comprising a shank having a first end and a second end defining a length, a head provided at the second end, a thread provided on the shank which includes a leading edge and a trailing edge adapted remove portions of the base material when inserted into the base material, the method comprising:

forming a hole having a diameter which is the same as a nominal shank diameter of the fastener to be installed in the base material;

filling the hole with an adhesive having a viscosity of less than 150 cP using an injection gun;

causing the fastener to be rotated into the hole such that the adhesive is forced into portions of the base material adjacent to the shank and thread when the thread is fully inserted into the hole.

2. The method of claim 1 wherein causing step is performed prior to an expiration of a gel time of the adhesive.

3. The method of claim 1 further including cleaning the hole prior to the filling step using forced air.

4. The method of claim 1 further including cleaning the hole prior to the filling step using a brush.

5. The method of claim 1 further including allowing the adhesive to cure.

6. The method of claim 1 wherein the base material is concrete.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 5, 2021
From: HOUCK, JOEL
To: SIMPSON STRONG-TIE COMPANY INC.
Reel/Frame 058030/0546 →
Continuity (1)
Related Publication 20230101501A1 · Mar 30, 2023
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