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Figure 1 of the original patent for the molly bolt, U.S. Patent No. 2,018,251. The molly bolt was patented in 1934 by George Frederick Croessant. [3] Although his patent acknowledges that expandable fasteners of this general kind were already known, Croessant's patent is intended to provide "an improved and adequate anchoring grip that may be retightened if necessary and that will permit ...
For floors, quarry tile is usually set in a thick bed of cementitious mortar. For wall applications, it can be set in either a thick bed of cementitious mortar or a thin bed of mastic. For both floors and walls, the joints between tiles are usually grouted with cementitious grout. Grout joints are traditionally about 3 ⁄ 8 inch in width
Grout sealer is a water-based or solvent-based sealant applied over dried grout that resists water, oil, and acid-based contaminants. Grout cleaner is a basic cleaning solution that is applied on grout lines and removes the dirt and dust. [8] A die grinder is used for faster removal of old grout compared to a standard grout saw.
Non-shrink grout is a hydraulic cement grout that, when hardened under stipulated test conditions, does not shrink, so its final volume is greater than or equal to the original installed volume. It is often used as a transfer medium between load-bearing members.
One great advantage of soil nail walls is their cost-effectiveness over other alternatives. When conventional soil nailing construction procedures are used, soil nail walls are much more economical than concrete gravity walls and similarly or more cost effective than ground anchor walls. [4]: 18
Bonded anchors are also referred as adhesive anchors [9] or chemical anchors. The anchoring material is an adhesive (also called mortar) [3] usually consisting of epoxy, polyester, or vinylester resins. [1] In bonded anchors, the force-transfer mechanism is based on bond stresses provided by binding organic materials.
The 2024 Heisman Trophy race is down to just a few contenders as the college football regular season comes to close.. With only two weeks remaining in the regular season, the top competitors for ...
The company was formed as American Standard Americas from the North American operations of the kitchen and bathroom division of the American Standard Companies during a breakup of the company in 2007. Crane Plumbing and Eljer were merged into the company in 2008 creating American Standard Brands.