Blow Molding
9/13/2010
Recent Articles and Patents
This is the www.maropolymeronline.com website. Links to recent articles and patents are kept here until they can added to the SPE Encyclopedia on the SPE server. (Roger D. Corneliussen, 8/20/2010)
If the US Patent link doesn’t work, click on US Patent Number Search and enter the patent number in the search box. The date is the patent publication date.
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8/3/2010
7,766,645
Method of controlling the opening and closing of a blow mold and blowing device
for implementing same
7/6/2010
7,748,974
Molding machine
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“Blow molding, also known as blow forming, is a manufacturing process by
which hollow plastic parts are formed. In general, there are three main types of
blow molding: extrusion blow molding, injection blow molding, and stretch blow
molding. The blow molding process begins with melting down the plastic and
forming it into a parison or preform. The parison is a tube-like piece of
plastic with a hole in one end in which compressed air can pass through. The
parison is then clamped into a mold and air is pumped into it. The air pressure
then pushes the plastic out to match the mold. Once the plastic has cooled and
hardened the mold opens up and the part is ejected.”
Wikipedia:
http://en.wikipedia.org/wiki/Blow_molding (11/19/2008)
SPE Encyclopedia Current Awareness
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Roger D Corneliussen
Editor
Telephone: 610 363 9920
Fax: 610 363 9921
Email:
cornelrd@bee.net
SPE Online Encyclopedia
www.maropolymeronline.com