HELICAL BLADE, HELICAL COMPRESSOR, COMPRESSOR, REFRIGERATOR AND METHOD OF MANUFACTURING HELICAL BLADE

摘要

PROBLEM TO BE SOLVED: To provide a helical compressor improved in compressing efficiency without lowering the durability and the like, of a helical blade against a refrigerant.

SOLUTION: This spiral helical blade 17 disappearably mounted on an outer peripheral face of a piston 3, is manufactured by filling a mold with a fluorine resin including glass fiber of 1-20 wt.% and molding the same by using a gas injection method. A compressor and a refrigerator is provided with this helical blade.

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