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1980: The predecessor company Columbus Plastic Operations was set up. 1996: The company (firstly named Core Materials Corporation) was set up and acquired Columbus Plastic Operations. [3] 2002: The company changed its name to Core Molding Technologies, Inc. 2011: The company formed Core Specialty Composites, LLC [4]
The company was founded in 1939 by William M. "Bill" Lester (1908-2005) and his first wife, Betty L (Lubarsky). [1] Rapidly establishing itself as a “leading contractor of custom-made parts and products in plastic” [2] Pyro employed the injection molding method for forming plastic shapes, which Lester had perfected in the early 1930s. [3]
Nationwide outgrew its 246 North High Street Building by the 1970s and work began on a new headquarters for the company. In 1977, the 485 ft-tall (148 m) building was completed. The building is located at the corner of N. High Street and what is now Nationwide Blvd. on the northern edge of downtown Columbus, Ohio.
Spider dies consist of a central mandrel attached to the outer die ring via a number of "legs"; while flow is more symmetrical than in annular dies, a number of weld lines are produced which weaken the film. Spiral dies remove the issue of weld lines and asymmetrical flow, but are by far the most complex. [6]
The Glass, Molders, Pottery, Plastics and Allied Workers International Union (GMPIU) was a labor union representing craft and industrial workers primarily in the ceramics, china, craft metals, fiberglass, glass, insulation, and pottery industries, in the United States and Canada.
The Crane Group Companies (also known as Crane Group) of Columbus, Ohio, USA, is a holding company of operating units primarily involved in the manufacturing and distribution of building products. Products include wood composite decking and railing, exterior cladding products, vinyl fencing, OEM PVC profiles, wood doors and door-frames, and ...
Nosco Plastics, Inc. (commonly called NOSCO, the mark used on its molded products) was the plastics molding division of National Organ Supply Company created in 1934 to make plastic parts for electric organs [1] and was located at 1701 Gaskell Avenue, Erie, Pennsylvania, 16503. [2]
The dies themselves are almost identical to those used in blown film extrusion; the only major difference is the gap between the inner mandrel and outer die wall. Once the polymer melt is extruded from the die, it is pulled away by take-up rollers. Cooling is accomplished through the use of water baths, or a large number of cooling fans.