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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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MX-1000 Mixing Nozzle Tip; 7/8"-14 Thread, 1/2" Radius
$240.00
MX-1000 Mixing Nozzle Tip; 7/8"-14 Thread, 3/4" Radius
$240.00
825 Ton Husky Injection Molding Machine
$42000.00
Arburg 55 Ton Injection Molding Machine 1988 5.58 shot
$2700.00
SCI Control Cards
$20.00
Static Plastic Urethane Injection Machine
$3500.00
BATTENFIELD Injection Molding Machine 50 Ton Press
$1800.00
MS-4000 Injection Molding Mixing Nozzle Assembly
$480.00
Newbury 75 ton vertical injection molding machine
$13900.00
CAMARO Inner padded Pillar post mouldings OER 69 BLACK
$34.99
Injection Molding Bunting Drawer Magnet
$275.00
Barber Coleman Capacitrol Model 272P NEW temperature
$199.99
1989 TOSHIBA 165-TON PLASTIC INJECTION MOLDING MACHINE
$12500.00
Plastic Resin, 13% Glass Filled Nylon 66, Black,110#
$25.00
LANCO DRYER MODEL #LTX-0816-12 CD UL
$8000.00
A Plastic Injection Molding Attachment for Drill Press
$16.95
Vacuum Forming Machine - Plastic Model Mold Form Former
$89.95
Injection Mold Quote - Made in Russia to U.S. standards
$1.00
PPE Mold Fluid Flow Regulator 6 Zone Injection Molding
$10.59
1998 BATTENFELD 55-TON PLASTIC INJECTION MOLDING MACHIN
$12500.00
Conair Trueblend WSB-420 Autoweigh Gravimetric Blender
$4800.00
EVAPCO AT 8-89B COUNTERFLOW COOLING TOWER
$500.00
Newbury Vertical Molding Machine 30 Ton V430ARS
$6000.00
25 HP DOUBLE SHAFT MOTOR 230/460V 3 PH - FRAME 324TYZ
$799.00
1977 VAN DORN 450-TON PLASTIC INJECTION MOLDING MACHIN
$3500.00
Trueblood Vertical Injection Molding Machine
$6000.00
INJECTION MOLDING RAPID GRANULATOR
$3500.00
SIMCO CHARGEMASTER CH-30-N
$599.00
KEBA E-CPU-186 CONTROL BOARD ENGEL INJECTION MOLDING
$199.00
AIS Semi-Automatic Bagger / Packer EXCELLENT !!
$24500.00
Conair 25HP Vacuum Pump- Excellent Cond.- PRICE REDUCED
$4950.00
Krauss Maffei Injection Molding Machine
$9000.00
Professiional Plastic Injection Molding&Mould services
$0.10
Uniloy 80261 Santee Dairy Gallon Blow Mold 3 Mold Lot
$900.00
Secrets of Plastic Injection Molding, recycle bottles
$15.94
YUSHIN ROBOT VNXII-800SLL 2003 5 AXES FULL SERVO
$22000.00
1998 JSW 40-TON ELECTRIC PLASTIC INJECTION MOLDING
$12500.00
New Britain 175 Injection Molding Machine
$2500.00
MG-4000 Injection Molding Mixing Nozzle Assembly
$480.00
Van Dorn Demag, 80 ton Rotary Table
$25000.00
SPI-SPE MOLD FINISH COMPARISON KIT
$0.99
BAND HEATERS BIG LOT OF 54 UNITS(3 BEING STRIP HEATERS)
$600.00
Rupp Air Make-up System
$2100.00
25 HP DOUBLE SHAFT MOTOR 230/460V 3 PH - w/HDY PUMP FL
$399.00
Plastic Resin, ASA Entec 678, 275# Original Bags
$10.00
Jomar 65 Ton Blow Molding Machine,2000
$29500.00
Chromalox Heater Bands, 600W/240V, NOS
$9.99
DELTA THERM INJECTION MOLDING THERMOLATOR
$500.00
Sandretto Injection Molding Machine
$8000.00
5 REALLY NICE NOVATEC THROAT SHOT HOPPERS #VL-5-1366
$199.00
KEBA E-16-DIGOUT CONTROL BOARD ENGEL INJECTION MOLDING
$99.00
Schuld Mfg Complete 10 Silo Resin System Aluminum
$60000.00
CAMARO Inner padded Pillar post mouldings OER 68 BLACK
$35.99
33 TON ARBURG INJECTION MOLDER MOLDING MACHINE (1995)
$7900.00
(3) ConAir Aluminum RESIN SILO 272,440 Pound Capacity
$53500.00
(2) ConAir Aluminum RESIN SILO 42,400 Pound Capacity
$33500.00
1981 CINCINNATI 250-TON PLASTIC INJECTION MOLDING MACHI
$10500.00
CONAIR SLECTRONIC 4+ CONTROL (LOADER CONTROL)
$79.99
Nice Autojectors 10 ton Vertical Molding Machine Molde
$9900.00
American MSI Corp Apex Controller w/6 HCC Driver Boards
$699.00
Engel Electric 01' Injection Molding Machine or Press
$35500.00
MX-4000 Injection Molding Mixing Nozzle Assembly
$480.00
5 ton Over Head Crane
$6700.00
Dyco Automatic Bagger / Packer EXCELLENT CONDITION !!
$55000.00
1995 150 TON SODICK PLASTIC INJECTION MACHINE
$5000.00
KEYENCE, VISION SYSTEM VC-751 (COLOR)
$400.00
BATTENFELD 500 BA CDK PLASTIC INJECTION MOLDING MACHINE
$5000.00
Jomar Injection Blow mold molding Model 85S (1994)
$85000.00
Plastic Resin, Texin 285 Black,165#, Original Bags
$25.00
KEYENCE, VISION SYSTEM VC-751 (COLOR)
$450.00
Lot (5) NICE Polymer Systems 10 hp Auger Granulators
$14999.00
GASMASTER GAS ASSISTED INJECTION UNIT by DESIGN-RITE
$399.99
Autojector 30 Ton HS-30S Vertical Molding Machine
$8500.00
2008 Sumitomo Injection Molding Machine for Plastics
$59500.00
NEW 80Ton Mold Machine
$24495.00
NICE AEC Nomad PDQ3 100 Lbs/hr cfm Dryer 400 Lb Hopper
$5500.00
KRAUSS MAFFEI TRI SIRIES CD /DVD5 MO # 80 -190CD
$100000.00
12x18 Vacuum Forming Machine - Plastic Mold Form Former
$139.95
9 DME MOLDING PRESS MOLD CLAMPS die machine cnc mill
$24.99
Global Impressions Thermoformer 28'x50' Unit
$2000.00
Shinwa-Seiki 30 Ton Injection Molding Machine, 1.2 oz,
$6000.00
Chromalox Heater Bands, 750W/240V, NOS
$9.99
Plastic Resin, Noryl, GFN1630V PPO, 220#, Original Bags
$50.00
KEBA E-3-ACU-INC CONTROL BOARD ENGEL INJECTION MOLDING
$138.62
KEBA E-3-ACU-10 CONTROL BOARD ENGEL INJECTION MOLDING
$159.00
CLAMP CYLINDER ROD 28-3/4"LONG OVERALL SEE SPECS BELOW
$189.00
Plastic Resin, Black Nylon RTP ESD C 203H High Impact
$3000.00
Sandretto Advantage 165 Injection molding press
$12000.00
ADS Vacuum Former / Thermoformer /Thermoforming Machine
$695.00
Chromalox Heater Bands, 400W/240V, NOS
$9.99
Plastic Process Machinery, Test Press, Samples
$2800.00
Horizontal Flammability Test Cabinet for FMVSS 302 auto
$2675.00
Battenfield 41921S Injection Molder + Pumps Controller
$9.99
1 lot of 8 Cincinnati Molding Moulding machines
$30000.00
ConAir Tempro 40 ton 80 ton Chiller
$6500.00
Toshiba 120Ton Injection Molding Machine or Press
$5000.00
ARBURG ALLROUNDER 150 PLASTIC INJECTION MOLD 2 MACHINES
$1300.00
KEBA RC-PO BACKPLANE PLC CARD ENGEL INJECTION MOLDING
$239.00
1995 ARBURG 40-TON PLASTIC INJECTION MOLDING MACHINE
$10500.00