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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 Blow Molding Machine -2008 Model 125/25

$90000.00
NICE AEC Nomad PDQ3 100 Lbs/hr cfm Dryer 400 Lb Hopper

$5600.00
Plastics vacuum molder injection

$369.00
DIACRO THERMOFORMER PLASTIC PRESS, DI-ACRO

$1000.00
EMCO MODEL 500 BLOW MOLD PLASTIC INJECTION

$56.00
Cincinnati Milacron MACO-III Programmable Control

$400.00
INJECTION MOLDING MACHINE (BRAND NEW AUTO LOADERS)

$1295.00
10 hp Plastics Grinder and Blower System

$6000.00
Van Dorn 300ton Injection Molding Machine

$1500.00
INGERSOLL RAND ARO 650492-C43-B EXTRUSION PUMP

$0.99
NELMOR GRANULATOR 5HP INJECTION MOLDING

$800.00
Sterlco M2 Temperature Controller Works Controller only

$129.00
LOOK! Lot of 5 NICE Polymer Systems 10 hp Granulators

$14999.00
NICE Polymer Systems GRINDER w/ NEW Conair Unloader Sys

$2199.00
Moretto Plastic Material Mixer- New Been Used

$5000.00
Toshiba 120Ton Injection Molding Press

$6500.00
DIACRO THERMOFORMER PLASTIC PRESS, DI-ACRO

$1000.00
(3) ConAir Aluminum RESIN SILO 272,440 Pound Capacity

$53500.00
INJECTION MOLDING COMET DRYER-MAGNET-AFTER COOLER

$999.00
Vigor A-C Mold Holder by B. Jadow & Sons No Reserve

$9.99
Secrets of Plastic Injection Molding, recycle bottles

$15.94
Lot of 150 Ceramic and Non-Ceramic Heater Bands

$6000.00
Injection molder PLASTICS Emco 999 ONE ONCE vacuum

$595.00
Moretto Plastics Loading System- New System

$1000.00
1979 200 TON VAN DORN INJECTION MOLDING MACHINE

$3500.00
STERLCO Double 2 hp WATER PUMP Portable w/ Temp Control

$500.00
A Plastic Injection Molding Attachment for Drill Press

$14.94
Imperial Industries Silo

$20000.00
HISHIYA VERTICAL INJECTION MOLDING MACHINE VNT-100R

$38000.00
BRAND NEW INJECTION MOLDING MACHINE (COLOR MIXER)

$1295.00
HPM 2-1/2" Extrusion Line, Encoder, Puller, Vacuum

$52950.00
(2) ConAir Aluminum RESIN SILO 42,400 Pound Capacity

$33500.00
Injection Molding Machine 35 Ton Van Dorn Demag

$1.00
PPE Injection Molding Tie Bar Stretch Gauge NEW In BOX

$179.99
Injection Molding Press Cincinnati Milacron

$10000.00
Nissei Model FS260S71ASE 289 Tons 30oz NC8000F control

$20000.00
NISSEI ROTARY TABLE INJECTION MOLDING PRESS TD60R12ASE

$9995.95
HISHIYA INJECTION MOLDING MACHINE ROTARY MODEL VNT 100R

$50000.00
Temperature Control Hot Runner Molding System

$4699.99
JIFFY SHOT MOLD SAMPLER MODEL.451 110V USED

$199.99
Newbury Vertical Plastics Injection Molding Machine

$12000.00
Arburg Thermonic Temp Control - Digital Readout

$50.00
BEKUM BLOW MOLDING MOLDER MACHINE MODEL H51

$19000.00
NEGRI BOSSI INJECTION MOLDING MACHINE NB-130

$4499.99
Extrusion Blow Molding Head- New 2 X 200mm CD

$10000.00
DME Hot Tip Heater

$1.50
Engel Tiebarless Electric 2001 Injection Molding Press

$35900.00
Simplomatic Plasticor PLA-63 Plastic Injection Molder

$2500.00
ELECTRA FORM MOLD TIP HEATERS 199-0208T

$60.00
Injection Molding Press Nissei

$40000.00
Plastic Injection Injector Molding Machine NR

$3000.00
33 TON ARBURG INJECTION MOLDER MOLDING MACHINE (1995)

$7900.00
Schuld Mfg Complete 10 Silo Resin System Aluminum

$65000.00
Stokes Penwalt 300 Ton Injection Mold Machine 25oz

$6995.00
RANGER ROBOT PLASTIC MOLDING EQUIPMENT

$10000.00
BRAND NEW 45 TON VERTICAL INJECTION MOLDING MACHINE

$26500.00
1990 200 TON NEWBURY VT SHUTTLE TABLE INJECTION MOLDER

$5000.00
Nissei Model FS180, 200ton 20oz NC9000G Control

$30000.00
THERMO FORMING CENTRE 911 / INJECTION MOLDING MACHINE

$4995.00
Sterlco M2A Temperature Controller Control only. works

$129.00
blow mold-injection plastic resin pellets

$1.00
Boy 22S Injection Molding Machine

$1800.00
NEW 80Ton Mold Machine

$24495.00
Matsui Dessicater PLASTIC Dryer Dehume Jet HOPPER MOLD

$299.99
Battenfeld 50T SHUTTLE INJECTION MOLDING MACHINE PRESS

$8000.00
3pcs. IMS CO. 129086 HEATER BANDS ,NEW

$20.00
Burkert Normally Open Brass Solenoid Valve Electric New

$9.99
EMI Stainless Steel water manifolds

$69.00
NICE DR. BOY 15 TON INJECTION MOLDING MACHINE MODEL 15

$2989.00
75 Ton Van Dorn Injection Molding Machines

$6950.00
1500 TON Plastic Injection Molder Molding Machine _1990

$27500.00
ENGEL 80 TON INJECTION MOLDING MACHINE MODEL ES 240/80

$9999.00
Plastic Loading and Mixing System- New System

$10000.00