Receptacles – High-pressure-gas tank – Multilayer container
Patent
1999-06-26
2000-08-15
Pollard, Steven
Receptacles
High-pressure-gas tank
Multilayer container
220591, B65D 600
Patent
active
061022411
ABSTRACT:
A storage tank and method for making it is disclosed in which a first tank portion having a cylindrical sidewall is formed by helically extruding a plurality of partially overlapping layers of synthetic resin on a portion of a cylindrical form, with an end portion being formed and sealingly affixed to the sidewall portion, with the cylindrical form being removed from within the first tank portion, and then any remaining open cylindrical end being closed to form a closed cylindrical tank.
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