Frederick Carr is a notable inventor based in Tuscaloosa, Alabama. He has made significant contributions to the field of mining technology, holding a total of four patents. His work focuses on enhancing safety and efficiency in mine operations.

Latest Patents

One of Carr's latest patents is the combination expansion shell and resin secured mine roof anchor assembly. This innovative assembly is designed for installation in a mine roof opening and includes an elongated bolt with rebar attached to the upper end and an expansion shell positioned below the rebar. The assembly is inserted into a mine roof opening, where a resin and catalyst cartridge is located at the back end. The cartridge is ruptured by the rebar, allowing the resin and catalyst to flow downward between the opening wall and rebar. The mixing occurs upon rotation of the bolt and rebar, ensuring optimal integration of the materials. After achieving the desired mixing, continued rotation of the bolt causes the expansion shell to move outward, creating a secure grip with the mine roof.

Career Highlights

Throughout his career, Frederick Carr has worked with several companies, including Birmingham Bolt Company and Jim Walter Resources, Inc. His experience in these organizations has contributed to his expertise in mining technology and innovation.

Collaborations

Carr has collaborated with various professionals in his field, including his coworker Claude C. White. These partnerships have fostered a creative environment that has led to the development of his patented inventions.

Conclusion

Frederick Carr's contributions to mining technology through his innovative patents demonstrate his commitment to improving safety and efficiency in the industry. His work continues to influence the field and inspire future innovations.

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