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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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BUDZAR 20 TON WATER CHILLER FOR INJECTION MOLDING
$7500.00
BAND HEATER 6"X2" 800W/240V.
$15.00
Toshiba 120Ton Injection Molding Press
$5000.00
STRIP HEATER 8"LX1.4" 130W/115V
$8.00
BAND HEATER 4"X2" 500W/240V
$15.00
ADS Vacuum Former 2800 -=- 18" x 12"
$67.99
BAND HEATER 8 1/2"X2" 800W/240V.
$15.00
Professional Plastic Inspection Systems Bottle Tester
$499.93
Schuld Mfg Complete 10 Silo Resin System Aluminum
$65000.00
AIS Semi-Automatic Bagger / Packer EXCELLENT !!
$24500.00
BAND HEATER 5"X2" 700W/240V
$15.00
BAND HEATER 7"X2" 950W/240V.
$15.00
STRIP HEATER 9 1/2" LX1.4" 200W/115V
$8.00
BAND HEATER 11"X2" 1500W/240V.
$15.00
BAND HEATER 5"X2" 700W/240V
$15.00
SIMCO CHARGEMASTER CH-30-N WITH LINEAR PINNER!!!!
$1699.00
BAND HEATER 8"X2" 1100W/240V.
$15.00
Reed Injection Mold Purple Handel I/0 Card, SB209032A-R
$100.00
Dyco Automatic Bagger / Packer EXCELLENT CONDITION !!
$55000.00
Jomar Injection Blow mold molding Model 85S (1994)
$85000.00
BAND HEATER 12"X2" 1600W/240V.
$15.00
CINCINNATI INJECTION MOLDING PRESS
$13500.00
BAND HEATER 11"X2" 1500W/240V.
$15.00
Plastic Resin, Black Nylon RTP ESD C 203H High Impact
$3800.00
Newbury 30 Ton V430ARS Vertical Molding Machines
$1.00
BAND HEATER 6"X2" 800W/240V.
$15.00
Reed Injection Mold Purple Handel I/0 Card, SB209032A-R
$100.00
BAND HEATER 11"X2" 1500W/240V.
$15.00
Set of 4 Mold Clamps/ Bolts & Washers
$0.99
Professiional Plastic Injection Molding services
$0.50
Rexroth 5003 Prop Amp Card Pressure Control Van Dorn
$49.00
Reed Injection Mold Yellow Handel I/0 Card, SB209033-C
$100.00
BAND HEATER 9"X2" 1200W/240V
$15.00
Machinaria Machina Mv140 vacuum forming machine 10x4.5"
$75.00
EMI Stainless Steel water manifolds
$69.00
NICE DR. BOY 15 TON INJECTION MOLDING MACHINE MODEL 15
$2989.00
BAND HEATER 8"X2" 1100W/240V.
$15.00
BAND HEATER 6 1/2"X 1 1/2" 650W/240V.
$15.00
LOGIC SEAL- THE STOP LEAKER
$295.00
Conair GB220 AutoWeigh Gravimetric Batch Blender Hopper
$3125.00
IMS Hopper Loader for plastics injection molding
$99.99
BAND HEATER 8 1/2"X2 1/2" 1600W/240V.
$15.00
Mini-Jector Injection Molding Machine
$2500.00
Production Tools for Plastic Injection Molding
$150000.00
BAND HEATER 6"X2" 800W/240V.
$15.00
ITC HOTRUNNER CONTROLLER 12 ZONE
$550.00
plastic pipe injection pin and bushing
$500.00
BAND HEATER 5"X2" 700W/240V
$15.00
BAND HEATER 6"X2" 800W/240V.
$15.00
BAND HEATER 8 1/2"X2" 800W/240V.
$15.00
BAND HEATER 8"X2" 1100W/240V.
$15.00
Conair GB140 AutoWeigh Gravimetric Batch Blender Hopper
$3125.00
BAND HEATER 4"X2" 500W/240V
$15.00
Plastic Resin, 14% GF Nylon 6/6 Zytel 8018 Black 770#
$100.00
UNA DYN 1500 LB HOPPER FOR INJECTION MOLDING
$950.00
BAND HEATER 8"X1 1/2" 800W/240V.
$15.00
Reed Injection Mold Black Handel I/0 Card, SB209030CR
$100.00
BAND HEATER 9"X2" 1200W/240V
$15.00
INJECTION MOLDING MACHINE ROLENN BRAND W/CONTRLOLLER
$3000.00
BAND HEATER 9"X2" 1200W/240V
$15.00
BAND HEATER 5"X2" 700W/240V
$15.00
BAND HEATER 9 1/2"X1 1/2" 950W/240V.
$15.00
CAMARO Inner padded Pillar post mouldings OER 68 BLACK
$29.99
STRIP HEATER 9"LX1.4" 130W/115V
$8.00
BAND HEATER 7"X 1 1/2" 700W/240V.
$15.00
Arid-X Dri-Air Desiccant Plastic Pellet Dryer New Cond.
$4850.00
Screw and Barrel for Kawaguchi NEW Xaloy NEW 50mm
$3650.00
BAND HEATER 5"X2" 700W/240V
$15.00
Injection molding machines
$4750.00
Reed Injection Mold Green Handel I/0 Card, SB209031BR
$100.00
BAND HEATER 6"X2" 800W/240V.
$15.00
Lot (5) NICE Polymer Systems 10 hp Auger Granulators
$14999.00
Nice Autojectors 10 ton Vertical Molding Machine Molde
$9900.00
BAND HEATER 8"X1 1/2" 800W/240V.
$15.00
BAND HEATER 4"X2" 500W/240V
$15.00
Engel Tiebarless Electric 2001 Injection Molding Press
$36900.00
BAND HEATER 7"X2" 950W/240V.
$15.00
BRAND NEW 45 TON VERTICAL INJECTION MOLDING MACHINE
$26500.00
thermoformer thermoforming vacuform vacuuform
$649.00
Reed Injection Mold Green Handel I/0 Card, SB209031BR
$100.00
BAND HEATER 4"X2" 500W/240V
$15.00
Reed Injection Mold Yellow Handel I/0 Card, SB209033-C
$100.00
BAND HEATER 9 1/2"X1 1/2" 950W/240V.
$15.00
10" inch head tooling blow molding plastics
$500.00
Autojector 30 Ton HS-30S Vertical Molding Machine
$1.00
(2) ConAir Aluminum RESIN SILO 42,400 Pound Capacity
$33500.00
BAND HEATER 4"X2" 500W/240V
$15.00
Incoe Corp. Heated Bushing w/Thermocouple XRH-8270A
$99.00
BRAND NEW INJECTION MOLDING MACHINE (HOPPER DRYER)
$795.00
HYTROL CONVEYER FOR INJECTION MOLDING PARTS
$800.00
5" head tooling blow molding plastics
$400.00
Newbury 75 ton vertical injection molding machine
$13900.00
CAMARO Inner padded Pillar post mouldings OER 69 BLACK
$29.99
(3) ConAir Aluminum RESIN SILO 272,440 Pound Capacity
$53500.00
NICE AEC Nomad PDQ3 100 Lbs/hr cfm Dryer 400 Lb Hopper
$5500.00
BAND HEATER 8 1/2"X2 1/2" 1600W/240V.
$15.00
BAND HEATER 12"X2" 1600W/240V.
$15.00
BAND HEATER 7"X2" 950W/240V.
$15.00
BAND HEATER 8 1/2"X2" 800W/240V.
$15.00
BAND HEATER 8"X1 1/2" 800W/240V.
$15.00