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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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Injection Molding Machine Spline/Shaft JSW N00348

$49.99
MOLDING MACHINE NOZZLE TIP

$0.99
TEC 8X50 INJECTION MOLDING PARTS CONVEYER

$375.00
Plastic Injector AB 100 - Jewelry,Electronics, Medical

$3750.00
2003 FORTUNE 143-TON PLASTIC INJECTION MOLDING

$47500.00
INSERT A397 FROM BELL HOWELL FOUR STATION WITH FOLDER

$7500.00
A Plastic Injection Molding Attachment for Drill Press

$14.94
Quotation for Your Plastic Injection Parts and Tooling

$0.01
Uniloy Milacron 5 Cavity PET Blow Mold VERSAPET

$150000.00
LOGIC SEAL (NEGATIVE PRESSURE) MODEL # LS-200 115 VOLT

$500.00
vingcard locks 2100 brass color lot of 50

$2500.00
1995 150 TON SODICK PLASTIC INJECTION MACHINE

$9900.00
2005 FORTUNE 110-TON PLASTIC INJECTION MOLDING

$32500.00
Vintage Plastic Injector Mold Press Plasticor NRK

$204.59
120 Ton Kawaguchi Plastic Injection Molding Machine

$500.00
1996 ARBURG 83-TON PLASTIC INJECTION MOLDING MACHINE

$7000.00
CINCINNATI INJECTION MOLDING PRESS

$15500.00
STAR CY-800FB INJECTION MOLDING ROBOT PICKER

$1950.00
Uniloy Milacron 4 Cavity PET Blow Mold Electra Form

$150000.00
EMI Stainless Steel water manifolds

$69.00
ENGEL PLASTIC INJECTION MOLDING MACHINE

$0.99
GLAS CRAFT / GRACO "Spartan" RTM Injection System

$1800.00
BOY 15 S DIPTRONIC PLASTIC INJECTION MOLDING MACHINE

$0.99
Schuld Mfg Complete 10 Silo Resin System Aluminum

$750000.00
BOY 15/2 PLASTIC INJECTION MOLDING MACHINE

$0.99
ARBURG ALLROUNDER THERMOCOUPLE-TEMP. SENSOR 10 mm L

$39.99
1998 BATTENFELD 55-TON PLASTIC INJECTION MOLDING MACHIN

$9500.00
180 Ton Injection Molding Machine Launch Injection Mold

$11000.00
TOYO PLASTAR 90 TON INJECTION MOLDING MACHINE TI-90G2

$3489.00
1998 JSW 40-TON ELECTRIC PLASTIC INJECTION MOLDING

$13500.00
Nordson 2302 Hot Glue Unit

$199.00
Hydraulic Press,Linear Actuator Injection Molding Mach

$2500.00
90TON (99 US TON) INJECTION MOLDING MACHINE

$19950.00
NICE DR. BOY 15 TON INJECTION MOLDING MACHINE MODEL 15

$2989.00
MOKON HYDROTHERM INJECTION MOLDING THERMOLATOR

$600.00
PLASTIC BEADS INJECTION MOLDING KRAIBURG PEBAX. 30 BAGS

$6.95
Secrets of Plastic Injection Molding, recycle bottles

$15.94
1990 50 Ton 2.4 Oz CINCINNATI-FANUC CNC INJECTION MOLDR

$6500.00
injection and blow molding die and mold equipement

$9.95
CONAIR INJECTION MOLDING CHILLER 3 TONS

$1600.00
INJECTION MOLDING MACHINE (BRAND NEW AUTO LOADERS)

$1295.00
FARREL INJECTION MOLDING PRESS

$3000.00
BRAND NEW 45 TON VERTICAL INJECTION MOLDING MACHINE

$29500.00
Secrets of Plastic Injection Molding, recycle bottles

$15.94
12pcs. JAPAN STEEL WORKS 00-2361S-23 HEATERBANDS, NEW

$20.00
SAILOR ROBOT, AUTOMATED ASSEMBLIES, SPRUE PICKER MOLDER

$499.00
ELECTRA FORM MOLD TIP HEATERS 199-0208T

$100.00
GOUGH ECON BUCKET CONVEYER INJECTION MOLDING

$1000.00
Used Cincinnati Milacron VT85-5 Injection Molding Press

$3000.00
Injection Molder Frohring Mini-Jector

$100.00
Battenfield 41921S Injection Molder + Pumps Controller

$1999.99
Morgan Press Plastic Injector G-55T

$0.99
BRAND NEW INJECTION MOLDING MACHINE (HOPPER DRYER)

$945.00
Uniloy Milacron 4 Cavity PET Blow Mold Electra Form

$150000.00
plasticor injection and blow molding dies and molds

$9.95
plastic injection molds for plastic injection molding

$1.00
virco student desk in good condition LOT 48

$2500.00
Vertical 65 ton Injection Molding Machine - Vimm 150

$2900.00
Injection Molding Machine

$999.00
REGLOPLAS HOT OIL & WATER INJECTION MOLDING THERMOLATOR

$650.00
Injection Mold Quote - Made in Russia to U.S. standards

$1.00
Injection Molding Machine

$1.00
Battenfeld 50T SHUTTLE INJECTION MOLDING MACHINE PRESS

$26000.00
injection blow molding press machinist tools jigs dies

$9.95
injection and blow molding die and mold equipment

$9.95
PET Resin Silo 120,000 Llb All Con Imperial Industries

$50000.00
Injection Molding Machine

$15000.00
1998 HPM Plastic Injection Molder Molding Machine __N/R

$13500.00
BRAND NEW INJECTION MOLDING MACHINE (COLOR MIXER)

$1295.00
NICE Polymer Systems GRINDER w/ NEW Conair Unloader Sys

$2199.00
BOY 15 S PLASTIC INJECTION MOLDING MACHINE

$0.99
Vickers 11 Gal Injection Molding Cartridge Kit

$99.99
2004 FORTUNE 110-TON PLASTIC INJECTION MOLDING

$30500.00
1991 Van Dorn 500 Ton Injection Molder

$17500.00
1990 200 TON NEWBURY VT SHUTTLE TABLE INJECTION MOLDER

$8500.00