April Patents
Patents as compiled by the editors of Rubber World from the USPTO office. 1-amino-3-(oxyalkylalkoxysilyl)-2-propanol-terminated diene rubbersU.S. patent: 12,371,514Issued: July 29,
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Articles
Guill introduces reciprocating head for medical tubing
Guill Tool has released its new reciprocating head. The traditional tip and die assembly is replaced with a linear reciprocating assembly that changes the tube’s profile within a given length. This process is repeated throughout a single extrusion run without interruptions. Cutting capability, in association with the extrusion speed, cuts the finished product to length.
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Understanding the difference between high and low shear
Industrial mixing is a crucial process in various industries, including production of rubber formulations, petrochemicals, pharmaceuticals, personal care products and many others. It is also integral to continuous process industries including waste water treatment, fuel and energy production, and mining of metals and minerals.
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Raw material handling in the rubber mixing department
In the rubber mixing department, every batch begins with raw materials, powders and liquids that must be measured and blended with absolute precision. Even minor deviations can affect the quality of the final product, increase waste and slow production. Traditionally, manual handling carried risks: human error, inconsistent dosing and exposure to dust, all of which could compromise safety and efficiency.
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Custom mixing and services directories for 2026
The March issue of Rubber World focuses on Custom Mixing and Compound and as part of this coverage we are
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Patents for March 2026
Coupling system for silica containing rubber compoundsU.S. patent: 12,371,548Issued: July 29, 2025Inventors: Yuan-Yong Yan, Justin Yinket Che, Eric Sean Castner
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New deflashing system from CSI makes cryogenic pretreatment redundant
The new macrofinishing machine MF-15L from C.S.I. Centro Servizi Industriali removes runner and overflow flashing from injection molded elastomer parts in an automated process that does not require any prior cooling of the parts in liquid nitrogen. This process reduces energy consumption, thus making a significant contribution to the protection of the environment and cutting production costs.
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Wacker introduced new high-performance additives for composites at JEC
Wacker Chemie AG introduced new silicone-based additives and materials for composite applications at the JEC World 2026 trade show in Paris.
The company said the new products include two impact modifiers, GENIOPERL W37 and GENIOPERL W38, designed to improve the durability and mechanical performance of thermosetting resins used in composites.
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Evolution of silica to the sustainable Nzerosil series from renewable rice husk
One current goal of the tire industry is to replace all oil derived materials with sustainable products derived from renewable biomass sources. Silica can be directly obtained from eco-friendly sustainable materials of bio-origin, including rice husk (hull) and rice straw (dried leaf), cornflower, sorghum (grass flowers) and bagasse (sugar cane)
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Sustainable materials for rubber and allied industries
Sustainability is no longer a new concept; it has become a global priority. While quality was the focus of the 1980s, globalization defined the 1990s, and the internet revolutionized the 2000s. The 2010s and after have been dominated by the idea of sustainability. Human survival depends on integrating sustainable practices into every aspect of life. The world is already witnessing alarming environmental changes: rising greenhouse gas emissions, depletion of non-renewable resources and widespread deforestation.
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