Roger G Cleffman

Title: The Innovations of Roger G. Cleffman

Introduction

Roger G. Cleffman is a notable inventor based in Muscatine, Iowa, with a focus on advancements in rubber tread technology. He holds two patents that showcase his expertise and innovative spirit in the field of machinery for splicing rubber tread strips.

Latest Patents

Cleffman's latest patents include an "Apparatus for Splicing Tread Strips" and "Splicing of Tread Strips." Both inventions describe a machine designed to splice or join the ends of two precured rubber tread strips, each featuring a pattern of ribs and grooves on one surface. The machines consist of first and second tread-clamping assemblies that grip the opposite surfaces of the tread strips. They also include power means for moving one assembly toward the other to tightly abut the ends of the tread strips while heat is applied to effect vulcanization of a bonding material previously inserted between the ends.

Career Highlights

Roger G. Cleffman is associated with Bandag Incorporated, a company known for its innovations in tire retreading and rubber technology. His work has significantly contributed to the efficiency and effectiveness of tread splicing processes.

Collaborations

Throughout his career, Cleffman has collaborated with notable coworkers such as Ralph C. Raabe and Raymond G. Stratton, further enhancing the innovative environment at Bandag Incorporated.

Conclusion

Roger G. Cleffman's contributions to the field of rubber tread technology through his patents and work at Bandag Incorporated highlight his role as a significant inventor. His innovations continue to impact the industry positively.