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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 Plastics Molding Machines (older)

$2.25
Lot of 150 Ceramic and Non-Ceramic Heater Bands

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ENGEL 50 TON INJECTION MOLDING MACHINE MODEL ES200/50

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Uniloy Milacron 4 Cavity PET Blow Mold Electra Form

$150000.00
STAR AUTOMATION TW-1800 FM111-3 FULL SERVO ROBOT 1999

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AUTOJECTOR 3.51 Oz.ROTARY MOLDING PRESS MODEL HCR-40

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1990 200 TON NEWBURY VT SHUTTLE TABLE INJECTION MOLDER

$5000.00
Newbury injection molder- no reserve

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INJECTION MOLDING AZ 460 4 AXIS SERVO ROBOT PICK- PLACE

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4 25Ton MEIKI Injection Molding Machines

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Plastic Loading and Mixing System- New System

$10000.00
10 hp Plastics Grinder and Blower System

$6000.00
BRAND NEW 45 TON VERTICAL INJECTION MOLDING MACHINE

$26500.00
NEGRI BOSSI INJECTION MOLDING MACHINE NB-130

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Temperature Control Hot Runner Molding System

$4999.99
NICE DR. BOY 15 TON INJECTION MOLDING MACHINE MODEL 15

$2989.00
MultiPlas 85 Ton Shuttle Table Vertical Molding Machine

$500.00
NICE Polymer Systems GRINDER w/ NEW Conair Unloader Sys

$2199.00
INJECTION MOLDING MACHINE (BRAND NEW AUTO LOADERS)

$1295.00
Ankele 1-18-20-5 Extruder System

$5995.00
Newbury Vertical Plastics Injection Molding Machine

$12500.00
Toshiba 120Ton Injection Molding Press

$9500.00
NICE AEC Nomad PDQ3 100 Lbs/hr cfm Dryer 400 Lb Hopper

$5600.00
Arburg Thermonic Temp Control

$50.00
A Plastic Injection Molding Attachment for Drill Press

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PLASTIC ADDITIVE MICRO FEEDER-B175

$700.00
Burkert Normally Open Brass Solenoid Valve Electric New

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ELECTRA FORM MOLD TIP HEATERS 199-0208T

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WATER TOWER 40 GALLON STAINLESS 1/2HP PUMP RADIATOR FAN

$199.00
75 Ton Van Dorn Injection Molding Machines

$6950.00
UNY DYN 1500 LB HOPPER FOR INJECTION MOLDING

$1200.00
REGLOPLAS HOT OIL & WATER INJECTION MOLDING THERMOLATOR

$650.00
PLASTICS SIGHT GLASS LOADER-MODEL C1K

$500.00
ENGEL 80 TON INJECTION MOLDING MACHINE MODEL ES 240/80

$9999.00
CINCINNATI MILACRON 150 Ton Injection Molding Machine

$1000.00
Large Belt Conveyor. Ideal for Molding Machine, Other

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plastic injection molds

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PLASTIC INJECTION MOLD MACHINE VAN DORN

$1500.00
Sterlco M2A Temperature Controller Control only. works

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

$14999.00
Engel Tiebarless Electric 2001 Injection Molding Press

$43900.00
Matsui Dessicater Dryer Dehume Jet DMZ80-50R Plastic

$599.00
INJECTION MOLDING COMET DRYER-MAGNET-AFTER COOLER

$999.00
Uniloy Milacron 4 Cavity PET Blow Mold Electra Form

$150000.00
Injection Blow Molding Machine -2008 Model 125/25

$90000.00
AEC 1100 TON INJECTION MOLDING ROBOT

$13500.00
Cincinnati VT 220 ton 20 oz. Injection molding machine!

$9595.00
Moretto Plastics Loading System- New System

$1000.00
1992 Van Dorn 85 RS 5F HT

$5000.00
Sterlco M2 Temperature Controller Works Controller only

$129.00
NISSEI ROTARY TABLE INJECTION MOLDING PRESS TD60R12ASE

$11995.95
NICE! AMERICAN INDUSTRIAL AIR COOLED OIL COOLER/CHILLER

$2.25
remboard mold material, model tooling tool and die

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MSI Hot Runner Controller for Plastic Injection Molding

$125.00
THERMO FORMING CENTRE 911 / INJECTION MOLDING MACHINE

$4995.00
BRAND NEW INJECTION MOLDING MACHINE (HOPPER DRYER)

$945.00
Moretto Plastic Material Mixer- New Been Used

$5000.00
DIACRO THERMOFORMER PLASTIC PRESS, DI-ACRO

$1000.00
THERMOCOUPLE-TEMP. SENSOR 10 mm for ARBURG MACHINE. NEW

$19.99
Secrets of Plastic Injection Molding, recycle bottles

$15.94
BRAND NEW INJECTION MOLDING MACHINE (COLOR MIXER)

$1295.00
B200 POSIMAX ADDITIVE FEEDER-NEW

$1500.00
Uniloy Milacron 5 Cavity PET Blow Mold VERSAPET

$150000.00
Extrusion Blow Molding Head- New 2 X 200mm CD

$10000.00
(2) hot stamp press kensol 25 (1) kensol 27 real nice

$4500.00
Battenfeld 50T SHUTTLE INJECTION MOLDING MACHINE PRESS

$8750.00
Arburg 305 210 700 - 70 ton injection molding machine

$5995.00