coinjection molding

coinjection molding

[‚kō·in′jek·shən ‚mōld·iŋ]
(engineering)
A technique used in polymer processing whereby two or more materials are simultaneously injected into the cavity of a mold. Also known as sandwich molding.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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He also addressed insert molding, two-shot molding and coinjection molding and each method's pros and cons.
KG of Lossburg, Germany, introduced a new, high-speed coinjection molding machine for cubes with two clamping unit sizes and a wide range of injection and coinjection unit sizes.
Coinjection molding, which is also called the sandwich injection molding, is an extension of the standard molding technology.
Coinjection molding is an exciting new process for the molding of liquid silicone rubber (LSR) that opens up new possibilities.
German processor Sorcole GmbH is extending its long-standing relationship with Trexel Inc., the developer of the MuCell microcellular foaming technology, with plans to install the first Milacron "2K-M" monosandwich coinjection molding machine equipped with MuCell.
* Injection molding: One highlight will be coinjection molding of the three-layer barrier, retortable Klear Can, for which the first commercial production system has been sold and products are expected to hit grocery-store shelves in the first quarter of 2017 (see story p.
office in Batavia, Ohio; milacron.com) demonstrated four-cavity coinjection molding of PP/ EVOH/PP fruit cups in 3.5 sec.
Coinjection molding is used to mold multilayered articles with laminated wall structures.
Presma has developed a new press expressly for coinjection molding. The new GTS200 Bic has two identical injection units, which can inject through the same nozzle simultaneously.
The advantages of coinjection molding are offset by the high cost and complexity of a machine requiring two or more independent reciprocating screws.
Demand for over-molding and coinjection molding of soft-touch polymers onto other polymers has increased, and these applications typically require numerous color changes.