To provide a grooving apparatus for a resin tube which suppresses deterioration in strength of the resin tube caused by forming circular groove.
A grooving apparatus is for forming circular grooves 31, 32 in an outer circumferential surface of a resin tube 11 to be flared and includes: a groove forming tool 3 for forming the circular grooves 31, 32 by pressing and compressing the outer circumferential surface of the resin tube 11; supporting tools 4, 5 for supporting the resin tube 11 against a force with which the groove forming tool 3 presses the outer circumferential surface of the resin tube 11; and an operation mechanism 6 for moving the groove forming tool 3 between an acting position where the groove forming tool presses the outer circumferential surface of the resin pipe 11 and a treating position where the groove forming tool is separated from the outer circumferential surface.
KISHIMOTO TAKAYUKI
NAKAGAWA TAKESHI
OMAE KIYOTAKA
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