Davis-Standard’s R&D pioneer Wheeler passes away at 96

Davis-Standard’s R&D pioneer Wheeler passes away

Norton C. Wheeler, Jr., one of Davis-Standard’s technology innovators, who innovated the DSB (Davis-Standard Barrier) feedscrew, passed away recently at the age of 96.

In a career that spanned six decades, Wheeler authored numerous technical papers, and mentored many Davis- Standard engineers. His list of contributions to Davis-Standard and the plastics industry in general is extensive. He was awarded Fellow of the Society of Plastics Engineers in 1985 and received the Bruce C. Maddock Award in 1998 for his pioneering work in R&D.

Even after his retirement in 1989, he remained engaged as a consultant for Davis-Standard until the age of 90.

Being part of Davis-Standard was in Wheeler’s blood. His grandfather, Charles E. Wheeler, was an original owner of Davis-Standard, purchasing the business as the Standard Machinery Company in 1904. His father Norton Sr. and his uncle John were instrument in assisting their father with modernising and diversifying the operation. Under the leadership of Wheeler’s father, company president in the 1940s, and his new partner Benjamin Davis, the company transitioned from a manufacturer of compression moulding presses before and during World War II into a post-war manufacturer of extrusion machinery. The company became Davis-Standard in 1948.

Wheeler joined Davis-Standard in 1951 after serving in the US Air Force and graduating from Brown University with a chemistry degree. Wheeler was a natural in the research environment. He spearheaded Davis-Standard’s first lab in the 1960s, growing the facility from a small space to a building equipped for customer trials and extensive R&D within a decade. During the following 20 years, he conducted revolutionary research with regard to feedscrew design and extrusion process control. Of all of his achievements, Wheler was most proud of the fact that Davis-Standard was the first company to fully instrument an extruder with multiple pressure transducers.

In the early 1980s, Wheeler patented the well-known DSB screw design. This design overcame limitations of existing barrier screws by optimising the screw’s melt region, leading to improved stability and performance. The DSB quickly became the industry’s premier feedscrew and gave Davis-Standard a global technical presence. It also helped the company expand into multiple processing areas such as pipe and profile and sheet. The DSB continues to be the basis for all Davis-Standard screw designs.

John Christiano, Davis-Standard’s Vice President of Extrusion Technology paid a tribute to Wheeler, “Our R&D capabilities and technical leadership began with Norton and he remained so vital to our work throughout his life. His achievements not only defined Davis-Standard as an R&D leader, but they changed the industry. He was truly one of a kind and will be dearly missed.”


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