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U.S. Department of Energy
Office of Scientific and Technical Information

Apparatus and method for manufacturing solar collectors

Patent ·
OSTI ID:5636314
Methods and apparatus for manufacturing solar heating devices of a type having bonded together sheets of thermoplastic material forming a flexible wall container for fluid to be heated. The methods and apparatus involve advancing first and second elongate indeterminate lengths of sheet material longitudinally along respective paths while heating, bonding and sealing the sheets. Specific arrangements and steps for heating, bonding, and sealing are described.
Assignee:
Unified Technologies Inc.
Patent Number(s):
US 4490204
OSTI ID:
5636314
Country of Publication:
United States
Language:
English