blow molding

(redirected from Extrusion blow molding)

blow molding

[′blō ‚mōl·diŋ]
(engineering)
A method of fabricating hollow plastic objects, such as bottles, by forcing a parison into a mold cavity and shaping by internal air pressure. Also known as blowing.
References in periodicals archive ?
Material, equipment, tooling and mold technologies have been developed for high-volume extrusion blow molding of thermoplastic elastomers, making possible a more efficient and lower-cost alternative to latex and nitrile butadiene rubber (NBR), according to the company.
The seminar, updated yearly, provides a basic grounding in in-mold labeling and in-mold decorating, as well as the fundamentals of extrusion blow molding (IML-B), injection IML (IML-I) thermoform IML (IML-T), the in-mold process, production of in-mold labels, current markets, functions across the IML value chain and future growth opportunities.
(unileverusa.com), and is headquartered in London, has ordered an undisclosed number of MuCell extrusion blow molding systems to be used at various Alpla facilities worldwide.
The principal target of the grade is bottles for UHT (ultra-high temperature) and sterilised milk that are produced on high-speed extrusion blow molding lines, especially in southern European countries.
The company says that this Rilsan HT Ultra Flex allows "great opportunities to replace metal and fluoropolymers in automotive and industrial tubing applications," and that its "ease of thermoforming and processing on standard equipment for all kinds of tubing technologies (smooth and corrugated tube extrusion, extrusion blow molding) allows optimum design flexibility and cost-effective manufacturing.
MedPlast's services include injection molding, transfer molding, compression molding, extrusion blow molding and design, and construction of complex medical molds.
The website also features new product offerings, like PolyShield resin, a monolayer barrier resin; OxyClear barrier resin, an oxygen ingress barrier resin; Polyclear EBM PET, an extrusion blow molding grade PET; Polyclear Seal PET, a sealing grade PET; and Polyclear Contour PET, which exhibits high controlled shrinkage for applications such as shrink sleeves.
Chapters cover polymer materials, extrusion blow molding, injection blow molding, extrusion blow molding technique, guidelines for selecting industrial blow molding machines, extrusion blow molding advanced systems, understanding extrusion and injection blow molds, finishing, and troubleshooting.
New liquid vehicle technology from Clariant Masterbatches, Holden, Mass., is designed to eliminate problems that have prevented wider use of liquid color in extrusion blow molding of polyolefins.
MedPlast, Inc., Tempe, Arizona, USA, has announced that it has added extrusion blow molding to its range of services.
Process-specific masterbatches include those targeted for injection molding, extrusion and extrusion blow molding. These masterbatches are said to provide custom colors that meet application-specific needs.