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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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MOLDING MACHINE NOZZLE TIP

$0.99
1998 BATTENFELD 55-TON PLASTIC INJECTION MOLDING MACHIN

$9500.00
PET Resin Silo 120,000 Llb All Con Imperial Industries

$50000.00
Vintage Plastic Injector Mold Press Plasticor NRK

$204.59
ELECTRA FORM MOLD TIP HEATERS 199-0208T

$100.00
FARREL INJECTION MOLDING PRESS

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BOY 15 S DIPTRONIC PLASTIC INJECTION MOLDING MACHINE

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Morgan Press Plastic Injector G-55T

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Vertical 65 ton Injection Molding Machine - Vimm 150

$2900.00
Used Cincinnati Milacron VT85-5 Injection Molding Press

$3000.00
TEC 8X50 INJECTION MOLDING PARTS CONVEYER

$375.00
GOUGH ECON BUCKET CONVEYER INJECTION MOLDING

$1000.00
vingcard locks 2100 brass color lot of 50

$2500.00
2003 FORTUNE 143-TON PLASTIC INJECTION MOLDING

$47500.00
180 Ton Injection Molding Machine Launch Injection Mold

$11000.00
ENGEL PLASTIC INJECTION MOLDING MACHINE

$0.99
A Plastic Injection Molding Attachment for Drill Press

$14.94
REGLOPLAS HOT OIL & WATER INJECTION MOLDING THERMOLATOR

$650.00
BOY 15 S PLASTIC INJECTION MOLDING MACHINE

$0.99
Battenfield 41921S Injection Molder + Pumps Controller

$1999.99
Injection Molder Frohring Mini-Jector

$100.00
Uniloy Milacron 5 Cavity PET Blow Mold VERSAPET

$150000.00
1998 HPM Plastic Injection Molder Molding Machine __N/R

$13500.00
injection blow molding press machinist tools jigs dies

$9.95
Injection Molding Machine

$999.00
Vickers 11 Gal Injection Molding Cartridge Kit

$99.99
LOGIC SEAL (NEGATIVE PRESSURE) MODEL # LS-200 115 VOLT

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

$125.00
Nordson 2302 Hot Glue Unit

$199.00
120 Ton Kawaguchi Plastic Injection Molding Machine

$500.00
2005 FORTUNE 110-TON PLASTIC INJECTION MOLDING

$32500.00
Battenfeld 50T SHUTTLE INJECTION MOLDING MACHINE PRESS

$26000.00
BRAND NEW INJECTION MOLDING MACHINE (HOPPER DRYER)

$945.00
BRAND NEW INJECTION MOLDING MACHINE (COLOR MIXER)

$1295.00
1991 Van Dorn 500 Ton Injection Molder

$17500.00
BOY 15/2 PLASTIC INJECTION MOLDING MACHINE

$0.99
PLASTIC BEADS INJECTION MOLDING KRAIBURG PEBAX. 30 BAGS

$6.95
MOKON HYDROTHERM INJECTION MOLDING THERMOLATOR

$600.00
INJECTION MOLDING MACHINE (BRAND NEW AUTO LOADERS)

$1295.00
GLAS CRAFT / GRACO "Spartan" RTM Injection System

$1800.00
Quotation for Your Plastic Injection Parts and Tooling

$0.01
Hydraulic Press,Linear Actuator Injection Molding Mach

$2500.00
BRAND NEW 45 TON VERTICAL INJECTION MOLDING MACHINE

$29500.00
Injection Molding Machine

$15000.00
1995 150 TON SODICK PLASTIC INJECTION MACHINE

$9900.00
SAILOR ROBOT, AUTOMATED ASSEMBLIES, SPRUE PICKER MOLDER

$499.00
EMI Stainless Steel water manifolds

$69.00
1998 JSW 40-TON ELECTRIC PLASTIC INJECTION MOLDING

$13500.00
plasticor injection and blow molding dies and molds

$9.95
NICE DR. BOY 15 TON INJECTION MOLDING MACHINE MODEL 15

$2989.00
Injection Molding Machine Spline/Shaft JSW N00348

$49.99
1996 ARBURG 83-TON PLASTIC INJECTION MOLDING MACHINE

$7000.00
injection and blow molding die and mold equipment

$9.95
Injection Mold Quote - Made in Russia to U.S. standards

$1.00
12pcs. JAPAN STEEL WORKS 00-2361S-23 HEATERBANDS, NEW

$20.00
Injection Molding Machine

$202.50
NICE Polymer Systems GRINDER w/ NEW Conair Unloader Sys

$2199.00
Schuld Mfg Complete 10 Silo Resin System Aluminum

$750000.00
ARBURG ALLROUNDER THERMOCOUPLE-TEMP. SENSOR 10 mm L

$39.99
CINCINNATI INJECTION MOLDING PRESS

$15500.00
TOYO PLASTAR 90 TON INJECTION MOLDING MACHINE TI-90G2

$3489.00
INSERT A397 FROM BELL HOWELL FOUR STATION WITH FOLDER

$7500.00
Plastic Injector AB 100 - Jewelry,Electronics, Medical

$3750.00
STAR CY-800FB INJECTION MOLDING ROBOT PICKER

$1950.00
90TON (99 US TON) INJECTION MOLDING MACHINE

$19950.00
virco student desk in good condition LOT 48

$2500.00
CONAIR INJECTION MOLDING CHILLER 3 TONS

$1600.00
2004 FORTUNE 110-TON PLASTIC INJECTION MOLDING

$30500.00
Uniloy Milacron 4 Cavity PET Blow Mold Electra Form

$150000.00
injection and blow molding die and mold equipement

$9.95
Uniloy Milacron 4 Cavity PET Blow Mold Electra Form

$150000.00
SUMITOMO SD30 ELECTRIC INJECTION MOLDING MACHINE CD/DVD

$18370.00