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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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Plastic Resin, Alpha Gary PVC 2222-C74 Clear 760#
$200.00
Arburg 55 Ton Injection Molding Machine 1988 5.58 shot
$2700.00
New Britain 175 Injection Molding Machine
$2500.00
9 DME MOLDING PRESS MOLD CLAMPS die machine cnc mill
$24.99
Nice Autojectors 10 ton Vertical Molding Machine Molde
$9900.00
BRAND NEW INJECTION MOLDING MACHINE (HOPPER DRYER)
$795.00
Cincinnati 600 Ton Injection Molding Machine, 1997
$39500.00
MX-1000 Mixing Nozzle Tip; 7/8"-14 Thread, 3/4" Radius
$240.00
EVAPCO AT 8-89B COUNTERFLOW COOLING TOWER
$500.00
BATTENFIELD Injection Molding Machine 50 Ton Press
$1800.00
SCI Control Cards
$20.00
Plastic Resin, Texin 285 Black,165#, Original Bags
$25.00
2008 Sumitomo Injection Molding Machine for Plastics
$59500.00
825 Ton Husky Injection Molding Machine
$42000.00
Trueblood Vertical Injection Molding Machine
$6000.00
KEYENCE, VISION SYSTEM VC-751 (COLOR)
$450.00
Uniloy 80261 Santee Dairy Gallon Blow Mold 3 Mold Lot
$900.00
Plastic Resin, Celcon TX90 Natural,110#, Original Bags
$10.00
CRYSTAL ALLOY INJECTOR 3 OUNCE AIR POWERED 300A MACHINE
$430.00
Plastic Resin, TPO 41 Shore D, Black, 765#
$150.00
Dyco Automatic Bagger / Packer EXCELLENT CONDITION !!
$55000.00
Sandretto Advantage 165 Injection molding press
$12000.00
Plastic Process Machinery, Test Press, Samples
$2800.00
CAMARO Inner padded Pillar post mouldings OER 68 BLACK
$35.99
Rupp Air Make-up System
$2100.00
SPI-SPE MOLD FINISH COMPARISON KIT
$0.99
Plastic Resin, Noryl, GFN1630V PPO, 220#, Original Bags
$50.00
MS-4000 Injection Molding Mixing Nozzle Assembly
$480.00
Chromalox Heater Bands, 750W/240V, NOS
$9.99
(2) ConAir Aluminum RESIN SILO 42,400 Pound Capacity
$33500.00
5 ton Over Head Crane
$6700.00
MX-4000 Injection Molding Mixing Nozzle Assembly
$480.00
INJECTION MOLDING RAPID GRANULATOR
$3500.00
BATTENFELD BA 350 CD plus INJECTION MOLDING MACHINE
$5000.00
MG-4000 Injection Molding Mixing Nozzle Assembly
$480.00
Newbury 75 ton vertical injection molding machine
$13900.00
Newbury Vertical Molding Machine 30 Ton V430ARS
$6000.00
YUSHIN ROBOT VNXII-800SLL 2003 5 AXES FULL SERVO
$22000.00
ConAir Tempro 40 ton 80 ton Chiller
$6500.00
Plastic Resin, HIPS 2186, Black, 490# In Orogonal Box
$50.00
PPE Mold Fluid Flow Regulator 6 Zone Injection Molding
$10.59
Plastic Resin, Isoplast 101 Black,110# In Original Bags
$25.00
CAMARO Inner padded Pillar post mouldings OER 69 BLACK
$34.99
Chromalox Heater Bands, 400W/240V, NOS
$9.99
CRYSTAL ALLOY INJECTION BLOW MOLDER 99M MACHINE
$247.50
Schuld Mfg Complete 10 Silo Resin System Aluminum
$60000.00
1995 ARBURG 40-TON PLASTIC INJECTION MOLDING MACHINE
$10500.00
Plastic Resin, 13% Glass Filled Nylon 66, Black,110#
$25.00
Plastic Resin, TPO 49 Shore D, Black, 550#
$100.00
Cincinnati 600 Ton Injection Molding Machine, 1997
$39500.00
Lot (5) NICE Polymer Systems 10 hp Auger Granulators
$14999.00
BATTENFELD 500 BA CDK PLASTIC INJECTION MOLDING MACHINE
$5000.00
CLAMP CYLINDER ROD 28-3/4"LONG OVERALL SEE SPECS BELOW
$189.00
Toshiba 120Ton Injection Molding Machine or Press
$5000.00
Static Plastic Urethane Injection Machine
$3500.00
Plastic Resin, TPO 41 Shore D, Light Stone, 920#
$200.00
Jomar Injection Blow mold molding Model 85S (1994)
$85000.00
1977 VAN DORN 450-TON PLASTIC INJECTION MOLDING MACHIN
$3500.00
KRAUSS MAFFEI TRI SIRIES CD /DVD5 MO # 80 -190CD
$100000.00
A Plastic Injection Molding Attachment for Drill Press
$16.95
NEW 80Ton Mold Machine
$24495.00
Jomar 65 Ton Blow Molding Machine,2000
$29500.00
LANCO DRYER MODEL #LTX-0816-12 CD UL
$8000.00
Rolenn EP-200 EP200 Injection Transfer Molding Press
$1799.97
SIMCO CHARGEMASTER CH-30-N
$599.00
BRAND NEW 45 TON VERTICAL INJECTION MOLDING MACHINE
$26500.00
1998 JSW 40-TON ELECTRIC PLASTIC INJECTION MOLDING
$12500.00
KEYENCE, VISION SYSTEM VC-751 (COLOR)
$400.00
Plastic Resin, TPO 48 Shore D, Black, 500#
$100.00
ADS Vacuum Former / Thermoformer /Thermoforming Machine
$695.00
MX-1000 Mixing Nozzle Tip; 7/8"-14 Thread, 1/2" Radius
$240.00
Secrets of Plastic Injection Molding, recycle bottles
$15.94
24" by 36" Vacuum Former
$400.00
Global Impressions Thermoformer 28'x50' Unit
$2000.00
Engel Electric 01' Injection Molding Machine or Press
$32500.00
IASCO HIGH DENSITY POLYETHYLENE INJECTION BLOW MOLDING
$149.99
Krauss Maffei Injection Molding Machine
$9000.00
Plastic Resin, Valox 420, Natural in Original Packaging
$207.50
American MSI Corp Apex Controller w/6 HCC Driver Boards
$699.00
Vacuum Forming Machine - Plastic Model Mold Form Former
$89.95
Plastic Resin, HIPS, Green, 350#, Green, Original Bags
$50.00
BAND HEATERS BIG LOT OF 54 UNITS(3 BEING STRIP HEATERS)
$600.00
Van Dorn Demag, 80 ton Rotary Table
$25000.00
Plastic Resin, ASA Entec 678, 275# Original Bags
$10.00
Battenfield 41921S Injection Molder + Pumps Controller
$9.99
Plastic Resin, 14% GF Nylon 6/6 Zytel 8018 Black 770#
$100.00
Professiional Plastic Injection Molding&Mould services
$0.10
Sandretto Injection Molding Machine
$8000.00
Chromalox Heater Bands, 600W/240V, NOS
$9.99
AIS Semi-Automatic Bagger / Packer EXCELLENT !!
$24500.00
Plastic Resin, Black Nylon RTP ESD C 203H High Impact
$3000.00
AB Machinery AB-100 Plastic Injection Molding Machine
$4500.00
33 TON ARBURG INJECTION MOLDER MOLDING MACHINE (1995)
$7900.00
Autojector 30 Ton HS-30S Vertical Molding Machine
$8500.00
NICE AEC Nomad PDQ3 100 Lbs/hr cfm Dryer 400 Lb Hopper
$5500.00
Conair Trueblend WSB-420 Autoweigh Gravimetric Blender
$4800.00
Injection Mold Quote - Made in Russia to U.S. standards
$1.00
Shinwa-Seiki 30 Ton Injection Molding Machine, 1.2 oz,
$6000.00
(3) ConAir Aluminum RESIN SILO 272,440 Pound Capacity
$53500.00