Engineering Team


Design and Engineering Staff 

Custom Rubber Corp. is the source for rubber solutions. We have the experience necessary to tackle any problem, and enjoy making our customers successful. Being certified to ISO 9001, Including Design, means that our organization has the processes and procedures in place to quickly and expertly handle any and all design requirements.

Charlie Braun - President, Design Engineer

Charlie "grew up" in the rubber industry, starting summer work running equipment at age 18. Since 1998, Charlie has been working full time at Custom Rubber Corp., quoting new business and assisting with mold design and ensuring our mission—Responsiveness ~ From Design to Delivery—is always in mind.

"The wealth of experience at Custom Rubber Corp. insures that no matter what the application or environment, we can assist in bringing a proven solution to conclusion."

Charlie has the education and experience to ensure that all customers receive the assistance they need.

  • Harvard University, BA in fine arts
  • Case Western University, Weatherhead School of Management, MBA
  • APICS CPIM, 1995
  • University of Akron Rubber Compounding I & II
  • Advanced Rubber Molding Technology at the University of Wisconsin
  • Past President, Association for Rubber Products Manufacturer's (ARPM)

Bernie Ruple - Engineering

Bernie has been in the rubber industry since 1986 as a production supervisor, tool designer, and process engineer. His extensive real-world knowledge base enables him to produce parts from any rubber mold—often when other manufacturers have failed.

Bernie's knowledge base serves customers well by assisting Custom Rubber Corp. in designing new tools and processes. His ability to anticipate the issues unique to any customer's part enables better results on a faster timeline.

"Good design and engineering starts with the ability to anticipate the complete manufacturing process so you can head off problems before they occur. Or, better yet, so you can design a product that is better, more efficient and less costly."

In addition to 25+ years practical experience, Bernie's education includes:

  • University of Akron Rubber Compounding I & II
  • Advanced Rubber Molding Technology at the University of Wisconsin
  • Mold Release Seminar
  • A.G.A. Cryogenic Deflashing Seminar
  • Injection Press Training

John Bellett - Engineering

John has an extensive amount of experience designing parts and assemblies for a variety of applications and industries. While earning his Engineering degree, John contributed to the design, manufacture, and implementation of customized automated material handling equipment for several Northeastern Ohio companies. His real world experience in different industries allows him to take into account the application's environment when designing parts and helping customers to solve problems with rubber.

"Every job we design and manufacture provides us with an opportunity to learn. Every lesson we learn allows us to add value, through engineering, to the next job ."

John brings a unique blend of design training and real world engineering experience to Custom Rubber Corp..  In addition to 5+ years practical experience, John's education includes:

  • Stark State College, Design Engineering
  • Auto CAD Certified
  • Mold Design Training Class
  • Injection Molding Training Class
  • Trained in Solid Works designing software
  • Enrolled in Cleveland State for Bachelor's Degree in Engineering