PVC Pipe Jointing: The Rieber System in North America
2015-1-6 · North America include solvent-cement and heat-fused joints, Rahman et al (2). Figure 1a, b: Gasket in Bell, Installed Joint HISTORY OF PRODUCT DEVELOPMENT The concept of a reinforced rubber gasket was developed in the 1970’s by Gunnar Parmann, an engineer and an inventor employed by Rieber and Son Plastic-Industri A/S of Bergen, …
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