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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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REMBE EXTRUDER BURSTING DISC
$5.00
Wittmann Thermolator Tempro Direct 250 W/3 HP BrassPump
$260.00
EMI Stainless Steel water manifolds
$69.00
MG-4000 Injection Molding Mixing Nozzle Assembly
$480.00
1500 TON Plastic Injection Molder Molding Machine _1990
$27500.00
vogt ice machine 5 ton
$24000.00
Nissei Injection Molding Press
$40000.00
Arburg Screw Tip Valve Plastics Injection Molding 35mm
$0.99
Plastic Loading and Mixing System- New System
$10000.00
ELECTRA FORM MOLD TIP HEATERS 199-0208T
$60.00
NICE DR. BOY 15 TON INJECTION MOLDING MACHINE MODEL 15
$2989.00
INJECTION MOLDING MACHINE (BRAND NEW AUTO LOADERS)
$1295.00
35 TON BATTENFELD INJECTION MOLDER MOLDING MACHINE
$8500.00
Lot of 150 Ceramic and Non-Ceramic Heater Bands
$5000.00
1995 Cincinnati 33 Ton Vista Sentry Molding Machine
$1280.00
Cincinnati Milacron Injection Molding Press
$9999.00
ENGEL 80 TON INJECTION MOLDING MACHINE MODEL ES 240/80
$9999.00
Cito Aluminum Water Manifold Injectiom mold IMM Process
$18.95
33 TON ARBURG INJECTION MOLDER MOLDING MACHINE (1995)
$7900.00
Daikin Grease Pump Central Lubrication LD05CP-30-N5A
$100.00
BRAND NEW INJECTION MOLDING MACHINE (COLOR MIXER)
$1295.00
RANGER ROBOT PLASTIC MOLDING EQUIPMENT
$10000.00
BRAND NEW 45 TON VERTICAL INJECTION MOLDING MACHINE
$26500.00
Burkert Normally Open Brass Solenoid Valve Electric New
$9.99
1993 Battenfeld 88 Ton Injection Molding Machine
$7500.00
Battenfeld 50T SHUTTLE INJECTION MOLDING MACHINE PRESS
$6000.00
Husky Injection Molding Head/Heated
$99.00
Kenner Electric Mold Master Injection Mold Plastic toys
$5.50
Injection Blow Molding Machine -2008 Model 125/25
$90000.00
BEKUM BLOW MOLDING MOLDER MACHINE MODEL H51
$19000.00
INGERSOLL RAND ARO 650492-C43-B EXTRUSION PUMP new
$0.99
HPM 2-1/2" Extrusion Line, Encoder, Puller, Vacuum
$52950.00
AUTOJECTOR 3.51 Oz.ROTARY MOLDING PRESS MODEL HCR-40
$8500.00
NISSEI ROTARY TABLE PLASTIC INJECTION PRESS TD60R12ASE
$4999.95
Temperature Control Hot Runner Molding System
$4399.99
Schuld Mfg Complete 10 Silo Resin System Aluminum
$65000.00
Piovan Dryer Model CDN2/2
$5000.00
MX-4000 Injection Molding Mixing Nozzle Assembly
$480.00
Newbury Vertical Plastics Injection Molding Machine
$14000.00
A Plastic Injection Molding Attachment for Drill Press
$14.94
Secrets of Plastic Injection Molding, recycle bottles
$15.94
75 Ton Van Dorn Injection Molding Machines
$6250.00
Injection Mold Quote - Made in Russia to U.S. standards
$1.00
1999 MILACRON INJECTION MOLDING MACHINE 300 TON
$37995.00
POLARIS PLATE HEAT EXCHANGER====NEW
$2000.00
Injection Molding Machine
$7800.00
Conair Tempro - Themolater Water Temp Controller -TC1DI
$565.00
SIMPLOMATIC PLASTIC INJECTOR INJECTION MACHINE REBUILT
$1975.00
Moretto Plastics Loading System- New System
$1000.00
NICE Polymer Systems GRINDER w/ NEW Conair Unloader Sys
$2199.00
DIGITAL TEMPERATURE CONTROL 32-752 F PLASTIC INJECTION
$19.99
NICE AEC Nomad PDQ3 100 Lbs/hr cfm Dryer 400 Lb Hopper
$5600.00
NISSEI SCREW TIP ASSEMBLY CHECK RING & SEAT
$40.00
1998 HPM Plastic Injection Molder Molding Machine __N/R
$9750.00
Conair Tempro - Themolater Water Temp Controller -TC1DI
$565.00
Set of 4 Mold Clamps/ Bolts & Washers
$0.99
Simplomatic Plasticor PLA-63 Plastic Injection Molder
$2000.00
Extrusion Blow Molding Head- New 2 X 200mm CD
$10000.00
NEW 80Ton Mold Machine
$24495.00
ARBURG THERMONIC TEMPERATURE CONTROLLER--NEW
$25.00
TEMPERATURE CONTROL 32-750 F PLASTIC INJECTION MACHINE
$19.99
VACUUM FORMER THERMO FORMING PLASTIC SIGN MAKING
$1500.00
50 Ton BOY Injection Molding Machine, Model 50T
$2900.00
(3) ConAir Aluminum RESIN SILO 272,440 Pound Capacity
$53500.00
MS-4000 Injection Molding Mixing Nozzle Assembly
$480.00
10 hp Plastics Grinder and Blower System
$6000.00
Injection Molding Press
$6000.00
plastics injection mold
$660.00
1990 200 TON NEWBURY VT SHUTTLE TABLE INJECTION MOLDER
$4500.00
ARBURG ALLROUNDER 150 PLASTIC INJECTION MOLD 2 MACHINES
$1300.00
AEC INJECTION MOLDING DESICCANT DRYERS
$1700.00
Moretto Plastic Material Mixer- New Been Used
$5000.00
(2) ConAir Aluminum RESIN SILO 42,400 Pound Capacity
$33500.00
MAXI ll Foam injection machine, Glas Craft
$2500.00