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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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825 Ton Husky Injection Molding Machine
$42000.00
Plastic Resin, 13% Glass Filled Nylon 66, Black,110#
$25.00
Lot (5) NICE Polymer Systems 10 hp Auger Granulators
$14999.00
Plastic Resin, ASA Entec 678, 275# Original Bags
$10.00
Jomar Injection Blow mold molding Model 85S (1994)
$85000.00
Cincinnati Molding moulding machine VT 110 - 2.4
$10000.00
Conair 25HP Vacuum Pump- Excellent Cond.- PRICE REDUCED
$4950.00
Shinwa-Seiki 30 Ton Injection Molding Machine, 1.2 oz,
$6000.00
BRAND NEW 45 TON VERTICAL INJECTION MOLDING MACHINE
$26500.00
ConAir Tempro 40 ton 80 ton Chiller
$6500.00
SPI-SPE MOLD FINISH COMPARISON KIT
$0.99
A Plastic Injection Molding Attachment for Drill Press
$16.95
Watlow Fast Heat IMS EZ Heat Band Heater HUGE Lot of 46
$379.99
Injection Molding Bunting Drawer Magnet
$275.00
1989 TOSHIBA 165-TON PLASTIC INJECTION MOLDING MACHINE
$12500.00
Trueblood Vertical Injection Molding Machine
$6000.00
Budzar Water Temperature Controller /Chiller LOT OF 2
$299.99
5 ton Over Head Crane
$6700.00
CAMARO Inner padded Pillar post mouldings OER 69 BLACK
$34.99
Schuld Mfg Complete 10 Silo Resin System Aluminum
$60000.00
ARBURG ALLROUNDER 150 PLASTIC INJECTION MOLD 2 MACHINES
$1300.00
1 lot of 8 Cincinnati Molding Moulding machines
$35000.00
NEW 80Ton Mold Machine
$24495.00
Nice Autojectors 10 ton Vertical Molding Machine Molde
$9900.00
2008 Sumitomo Injection Molding Machine for Plastics
$59500.00
DELTA THERM INJECTION MOLDING THERMOLATOR
$500.00
Sandretto Injection Molding Machine
$8000.00
1998 BATTENFELD 55-TON PLASTIC INJECTION MOLDING MACHIN
$12500.00
MX-4000 Injection Molding Mixing Nozzle Assembly
$480.00
Static Plastic Urethane Injection Machine
$3500.00
CAMARO Inner padded Pillar post mouldings OER 68 BLACK
$35.99
Injection Mold Quote - Made in Russia to U.S. standards
$1.00
Autojector 30 Ton HS-30S Vertical Molding Machine
$8500.00
25 HP DOUBLE SHAFT MOTOR 230/460V 3 PH - w/HDY PUMP FL
$399.00
SIMCO CHARGEMASTER CH-30-N
$599.00
BRAND NEW INJECTION MOLDING MACHINE (HOPPER DRYER)
$795.00
Toshiba 120Ton Injection Molding Machine or Press
$5000.00
MX-1000 Mixing Nozzle Tip; 7/8"-14 Thread, 1/2" Radius
$240.00
BATTENFELD BA 350 CD plus INJECTION MOLDING MACHINE
$5000.00
KEBA E-3-ACU-10 CONTROL BOARD ENGEL INJECTION MOLDING
$159.00
Plastic Process Machinery, Test Press, Samples
$2800.00
MS-4000 Injection Molding Mixing Nozzle Assembly
$480.00
Jomar 65 Ton Blow Molding Machine,2000
$29500.00
Secrets of Plastic Injection Molding, recycle bottles
$15.94
25 HP DOUBLE SHAFT MOTOR 230/460V 3 PH - FRAME 324TYZ
$799.00
Horizontal Flammability Test Cabinet for FMVSS 302 auto
$2675.00
1998 JSW 40-TON ELECTRIC PLASTIC INJECTION MOLDING
$12500.00
Newbury 75 ton vertical injection molding machine
$13900.00
33 TON ARBURG INJECTION MOLDER MOLDING MACHINE (1995)
$7900.00
INJECTION MOLDING DRI AIR DESICCANT DRYER
$1300.00
Rupp Air Make-up System
$2100.00
PPE Mold Fluid Flow Regulator 6 Zone Injection Molding
$26.56
American MSI Corp Apex Controller w/6 HCC Driver Boards
$699.00
BATTENFELD 500 BA CDK PLASTIC INJECTION MOLDING MACHINE
$5000.00
(3) ConAir Aluminum RESIN SILO 272,440 Pound Capacity
$53500.00
Chromalox Heater Bands, 750W/240V, NOS
$9.99
KEBA E-3-ACU-INC CONTROL BOARD ENGEL INJECTION MOLDING
$138.62
5 REALLY NICE NOVATEC THROAT SHOT HOPPERS #VL-5-1366
$199.00
LANCO DRYER MODEL #LTX-0816-12 CD UL
$8000.00
KEBA E-CPU-186 CONTROL BOARD ENGEL INJECTION MOLDING
$199.00
Barber Coleman Capacitrol Model 272P NEW temperature
$199.99
MX-1000 Mixing Nozzle Tip; 7/8"-14 Thread, 3/4" Radius
$240.00
Chromalox Heater Bands, 600W/240V, NOS
$9.99
9 DME MOLDING PRESS MOLD CLAMPS die machine cnc mill
$24.99
KEBA RC-PO BACKPLANE PLC CARD ENGEL INJECTION MOLDING
$239.00
Chromalox Heater Bands, 400W/240V, NOS
$9.99
GASMASTER GAS ASSISTED INJECTION UNIT by DESIGN-RITE
$399.99
(2) ConAir Aluminum RESIN SILO 42,400 Pound Capacity
$33500.00
MG-4000 Injection Molding Mixing Nozzle Assembly
$480.00
1977 VAN DORN 450-TON PLASTIC INJECTION MOLDING MACHIN
$3500.00
Uniloy 80261 Santee Dairy Gallon Blow Mold 3 Mold Lot
$900.00
12x18 Vacuum Forming Machine - Plastic Mold Form Former
$139.95
Plastic Resin, Noryl, GFN1630V PPO, 220#, Original Bags
$50.00
KEYENCE, VISION SYSTEM VC-751 (COLOR)
$400.00
AB Machinery AB-100 Plastic Injection Molding Machine
$4500.00
EVAPCO AT 8-89B COUNTERFLOW COOLING TOWER
$500.00
Plastic Resin, Texin 285 Black,165#, Original Bags
$25.00
Conair Trueblend WSB-420 Autoweigh Gravimetric Blender
$4800.00
KEBA E-16-DIGOUT CONTROL BOARD ENGEL INJECTION MOLDING
$99.00
ADS Vacuum Former / Thermoformer /Thermoforming Machine
$695.00
KRAUSS MAFFEI TRI SIRIES CD /DVD5 MO # 80 -190CD
$100000.00
1995 ARBURG 40-TON PLASTIC INJECTION MOLDING MACHINE
$10500.00
1981 CINCINNATI 250-TON PLASTIC INJECTION MOLDING MACHI
$10500.00
Cincinnati 600 Ton Injection Molding Machine, 1997
$39500.00
Cincinnati 600 Ton Injection Molding Machine, 1997
$39500.00
KEYENCE, VISION SYSTEM VC-751 (COLOR)
$450.00
Krauss Maffei Injection Molding Machine
$9000.00
YUSHIN ROBOT VNXII-800SLL 2003 5 AXES FULL SERVO
$22000.00
1995 150 TON SODICK PLASTIC INJECTION MACHINE
$5000.00
Engel Electric 01' Injection Molding Machine or Press
$35500.00
Sandretto Advantage 165 Injection molding press
$12000.00
INJECTION MOLDING RAPID GRANULATOR
$3500.00
Arburg 55 Ton Injection Molding Machine 1988 5.58 shot
$2700.00
Professiional Plastic Injection Molding&Mould services
$0.10
SCI Control Cards
$20.00
Vacuum Forming Machine - Plastic Model Mold Form Former
$89.95
Budzar Water Temperature Controller /Chiller LOT OF 3
$499.99
CONAIR SLECTRONIC 4+ CONTROL (LOADER CONTROL)
$79.99
Global Impressions Thermoformer 28'x50' Unit
$2000.00