Apparatus for thermoforming thermoplastic sheet materials
Patent
·
OSTI ID:5526165
The present invention relates to an improved plug or tool for use in the production of shaped articles from thermoplastic sheet materials. An important feature of the present invention is that the tool or plug comprises a body portion which incorporates one or more inserts which possess a thermal conductivity different from the thermal conductivity of the body portion.
- Assignee:
- W R Grace Australia Limited (Australia)
- Patent Number(s):
- US 4500277
- OSTI ID:
- 5526165
- Resource Relation:
- Patent Priority Date: Priority date 4 Jan 1983, Australia; Other Information: PAT-APPL-455618
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
THERMOPLASTICS
THERMOMECHANICAL TREATMENTS
SHEETS
THERMAL CONDUCTIVITY
TOOLS
FABRICATION
HEAT TREATMENTS
MATERIALS
MATERIALS WORKING
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
PHYSICAL PROPERTIES
PLASTICS
POLYMERS
SYNTHETIC MATERIALS
THERMODYNAMIC PROPERTIES
360401* - Polymers & Plastics- Preparation & Fabrication- (-1987)
THERMOPLASTICS
THERMOMECHANICAL TREATMENTS
SHEETS
THERMAL CONDUCTIVITY
TOOLS
FABRICATION
HEAT TREATMENTS
MATERIALS
MATERIALS WORKING
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
PHYSICAL PROPERTIES
PLASTICS
POLYMERS
SYNTHETIC MATERIALS
THERMODYNAMIC PROPERTIES
360401* - Polymers & Plastics- Preparation & Fabrication- (-1987)