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Plastics

Injection, Blow Molding

Injection, Blow Molding Article

U.S. Patent 237,168 was issued on February 1, 1881, to Celluloid Novelty Co. and Celluloid manufacturing Company, New York. This was the first patent for the processing of extruded polymer into a parison for blow molding.

The first applications for blow molding were for cellulose nitrate, and later, in the 1930s, for cellulose acetate. Blow molding remained a relatively small part of the plastics manufacturing scene until the introduction of Low Density Polyethylene (LDPE) in the 1940s. The production of LDPE squeeze bottles by Monsanto caused a rapid expansion of the industry, with containers produced to replace glass bottles for shampoos and liquid soaps.

The mass production of high density polyethylene (HDPE) and polypropylene (PP) in the 1950s led to a further increase in blow molding demand, for applications such as liquid detergents, motor oil, water and milk. The lightweight HDPE one gallon milk container revolutionized the dairy industry, as glass bottles and paperboard were quickly replaced.

The production of polyethylene terephthalate (PET) led to the viability of reheat stretch blow molding. The strain hardening properties of PET allowed the high volume production of bottles able to resist the carbonation pressure in soft drink applications. The high clarity and economics of PET stretch blow molding have made this a popular production method for bottles for water, detergents, and other products.

Injection, Blow Molding Items

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4pcs. SEIWA 60X60 50 8 HEATERBANDS, NEW

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Vertical 65 ton Injection Molding Machine - Vimm 150

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PLASTIC BEADS INJECTION MOLDING PLASTIC 30 BAGS AVAIL.

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SUMITOMO SD30 ELECTRIC INJECTION MOLDING MACHINE CD/DVD

$18370.00
Hydraulic Press,Linear Actuator Injection Molding Mach

$2500.00
120 Ton Kawaguchi Plastic Injection Molding Machine

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FARREL INJECTION MOLDING PRESS

$3000.00
LOGIC SEAL (NEGATIVE PRESSURE) MODEL # LS-200 115 VOLT

$500.00
BOY 15 S PLASTIC INJECTION MOLDING MACHINE

$0.99
Quotation for Your Plastic Injection Parts and Tooling

$0.01
CINCINNATI MILACRON TCM-75 mold temperture controller

$1.00
1998 HPM Plastic Injection Molder Molding Machine __N/R

$13500.00
BRAND NEW INJECTION MOLDING MACHINE (HOPPER DRYER)

$945.00
12pcs. JAPAN STEEL WORKS 92-2565 HEATERBANDS, NEW

$20.00
1998 JSW 40-TON ELECTRIC PLASTIC INJECTION MOLDING

$14500.00
TOYO PLASTAR 90 TON INJECTION MOLDING MACHINE TI-90G2

$3489.00
ELECTRA FORM MOLD TIP HEATERS 199-0208T

$100.00
A Plastic Injection Molding Attachment for Drill Press

$14.94
Conair Franklin DL-8 120V vacuum receiver

$500.00
1991 Van Dorn 500 Ton Injection Molder

$17500.00
virco student desk in good condition LOT 48

$2500.00
Battenfeld 50T SHUTTLE INJECTION MOLDING MACHINE PRESS

$26000.00
Newbury Vertical Plastics Injection Molding Machine

$8700.00
EMI Stainless Steel water manifolds

$69.00
ARBURG 35 TON Plastic Injection Machine Allrunder 1977

$2500.00
INSERT A397 FROM BELL HOWELL FOUR STATION WITH FOLDER

$7500.00
PET Resin Silo 120,000 Llb All Con Imperial Industries

$50000.00
2000 ARBURG 38-TON PLASTIC INJECTION MOLDING

$18500.00
Kawaguchi JEKS-120 Injection Molding Machine for Sale

$1000.00
CINCINNATI INJECTION MOLDING PRESS

$15500.00
NICE DR. BOY 15 TON INJECTION MOLDING MACHINE MODEL 15

$2989.00
1998 BATTENFELD 55-TON PLASTIC INJECTION MOLDING MACHIN

$10500.00
Dual Zone Sterlco Water Temperature Controller 2 - 2 hp

$350.00
Secrets of Plastic Injection Molding, recycle bottles

$15.94
BRAND NEW INJECTION MOLDING MACHINE (COLOR MIXER)

$1295.00
Injection Molding Machine, Van Dorn 300 Ton 1989

$9500.00
Secrets of Plastic Injection Molding, recycle bottles

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NICE Polymer Systems GRINDER w/ NEW Conair Unloader Sys

$2199.00
2 WEGER PAD PRINTERS

$300.00
90TON (99 US TON) INJECTION MOLDING MACHINE

$19950.00
BOY 15 S DIPTRONIC PLASTIC INJECTION MOLDING MACHINE

$0.99
JSW 220 TON INJECTION MOLDING PRESS MOULDER molder mold

$5999.00
STAR CY-800FB INJECTION MOLDING ROBOT PICKER

$2400.00
Battenfield 41921S Injection Molder + Pumps Controller

$1999.99
1990 50 Ton 2.4 Oz CINCINNATI-FANUC CNC INJECTION MOLDR

$6500.00
1996 ARBURG 83-TON PLASTIC INJECTION MOLDING MACHINE

$7500.00
Injection Molds

$5000.00
Injection Molding Machine Launch 180 Ton Injection Mold

$11000.00
LaROS FINGER TYPE PARTS SEPARATOR

$195.00
MOLDING MACHINE NOZZLE TIP

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Nordson 2302 Hot Glue Unit

$199.00
CONAIR CHILLER 3 TONS

$1600.00
1990 200 TON NEWBURY VT SHUTTLE TABLE INJECTION MOLDER

$8500.00
plastic injection molds for plastic injection molding

$1.00
BOY 15/2 PLASTIC INJECTION MOLDING MACHINE

$0.99
Dynisco Hotrunner Athena *NEW* Model MFL-C-D-24-00

$299.99
ARBURG ALLROUNDER THERMOCOUPLE-TEMP. SENSOR 10 mm L

$39.99
Dual Zone Sterlco Water Temperature Controller 2 - 2 hp

$300.00
2005 FORTUNE 110-TON PLASTIC INJECTION MOLDING

$33500.00
HonaJector Plastic Injection Machine 110V 200W

$250.00
Injection Molding Machine

$500.00
Plastic Injection Hot Runner Tooling D-M-E DME RamaCorp

$100.00
ENGEL PLASTIC INJECTION MOLDING MACHINE

$0.99
2004 FORTUNE 110-TON PLASTIC INJECTION MOLDING

$31500.00