Longitudinally adjustable permanent wave rods

A longitudinally adjustable permanent wave rod comprising:

• an outer rod that defines a reservoir and that has at least one drain hole therethrough that is coupled to the reservoir of the outer rod, the outer rod having an outer surface about which hair may be wrapped, an inner end, and an outer end, the reservoir of the outer rod originating at the inner end of the outer rod and extending longitudinally at least a portion of a length of the outer rod;
• and
• an inner rod having an inner and outer end, the inner end of the inner rod received at the inner end of the outer rod and in the reservoir of the outer rod, the inner rod defining a reservoir, having at least one drain hole therethrough that is coupled to the inner reservoir of the inner rod, and having an outer surface about which hair may be wrapped, the inner rod longitudinally movable relative to the outer rod, the reservoir of the inner rod originating at the inner end of the inner rod and extending longitudinally at least a portion of a length of the inner rod;
• wherein the inner rod further comprises an integral end cap proximate the outer end of the inner rod, the integral end cap of the inner rod comprising a first plurality of sockets, wherein the outer rod further comprises a second plurality of sockets proximate the inner end of the outer rod, wherein each of the plurality of first and second sockets is adapted to accept a retainer, and wherein a retainer engaged in one each of the first and second sockets would hold hair between the retainer and the outer surface of the inner rod.

A longitudinally adjustable permanent wave rod comprising:

• an outer rod that defines a reservoir and that has at least one drain hole therethrough that is coupled to the reservoir of the outer rod, the outer rod having an outer surface about which hair may be wrapped, an inner end, and an outer end, the reservoir of the outer rod originating at the inner end of the outer rod and extending longitudinally at least a portion of a length of the outer rod;
• and
• an inner rod having an inner and outer end, the inner end of the inner rod received at the inner end of the outer rod and in the reservoir of the outer rod, the inner rod defining a reservoir, having at least one drain hole therethrough that is coupled to the inner reservoir of the inner rod, and having an outer surface about which hair may be wrapped, the inner rod longitudinally movable relative to the outer rod, the reservoir of the inner rod originating at the inner end of the inner rod and extending longitudinally at least a portion of a length of the inner rod;
• wherein the inner rod further comprises an integral end cap proximate the outer end of the inner rod, wherein the integral end cap of the inner rod defines a passage therethrough that is coupled to the reservoir of the inner rod, the passage allowing solution to pass into the reservoir of the inner rod, wherein the reservoir of the inner rod is defined by an inner surface of the inner rod,
• wherein the integral end cap of the inner rod further defines a distribution mechanism in the passage, the distribution mechanism comprising a plurality of openings that distribute solution passing through the passage relatively evenly toward the inner surface of the inner rod.

A longitudinally adjustable permanent wave rod comprising:

• an outer rod that defines a reservoir and that has at least one drain hole therethrough that is coupled to the reservoir of the outer rod, the outer rod having an outer surface about which hair may be wrapped, an inner end, and an outer end, the reservoir of the outer rod originating at the inner end of the outer rod and extending longitudinally at least a portion of a length of the outer rod;
• an inner rod having an inner and outer end, the inner end of the inner rod received at the inner end of the outer rod and in the reservoir of the outer rod, the inner rod defining a reservoir, having at least one drain hole therethrough that is coupled to the inner reservoir of the inner rod, and having an outer surface about which hair may be wrapped, the inner rod longitudinally movable relative to the outer rod, the reservoir of the inner rod originating at the inner end of the inner rod and extending longitudinally at least a portion of a length of the inner rod, and wherein the outer surface of the inner rod comprises a tapered portion that decreases in width from a first width proximate the inner end of the inner rod to a second width proximate the outer end of the inner rod;
• and
• a retracting ring, the retracting ring comprising an O-ring and a plurality of coupling extensions, each coupling extension comprising a socket and attached to a top surface of the O-ring, wherein the outer rod comprises one coupling extension opening per coupling extension, each coupling extension opening sized to allow a coupling extension to pass therethrough, wherein the retracting ring resides between the outer surface of the inner rod and the inner surface of the outer rod and is situated such that each coupling extension resides in one of the coupling extension openings, and wherein the outer surface of the inner rod contacts a bottom surface of the O-ring, and wherein the inner rod is able to be fully retracted such that a substantial portion of the inner rod is within the outer rod and able to be fully extended such that a substantial portion of the inner rod is outside of the outer rod, whereby each coupling extension extends above the outer surface of the outer rod when the inner rod is fully extended and resides below the outer surface of the outer rod when the inner rod is fully retracted.

A longitudinally adjustable permanent wave rod comprising:

• an outer rod that defines a reservoir and that has at least one drain hole therethrough that is coupled to the reservoir of the outer rod, the outer rod having an outer surface about which hair may be wrapped, an inner end, and an outer end, the reservoir of the outer rod originating at the inner end of the outer rod and extending longitudinally at least a portion of a length of the outer rod;
• an inner rod having an inner and outer end, the inner end of the inner rod received at the inner end of the outer rod and in the reservoir of the outer rod, the inner rod defining a reservoir, having at least one drain hole therethrough that is coupled to the inner reservoir of the inner rod, and having an outer surface about which hair may be wrapped, the inner rod longitudinally movable relative to the outer rod, the reservoir of the inner rod originating at the inner end of the inner rod and extending longitudinally at least a portion of a length of the inner rod;
• wherein the reservoir of the outer rod is defined by an inner surface of the outer rod, wherein the inner surface of the outer rod comprises at least one groove that is perpendicular to a longitudinal axis of the outer rod, wherein the outer surface of the inner rod comprises at least one O-ring that is perpendicular to a longitudinal axis of the inner rod, the at least one O-ring engaging one of the at least one grooves, and wherein the at least one groove and the at least one O-ring cooperate to lock fix the longitudinal location of the inner and outer rods.

A longitudinally adjustable permanent wave rod comprising:

• an outer rod that defines a reservoir and that has at least one drain hole therethrough that is coupled to the reservoir of the outer rod, the outer rod having an outer surface about which hair may be wrapped, an inner end, and an outer end, the reservoir of the outer rod originating at the inner end of the outer rod and extending longitudinally at least a portion of a length of the outer rod;
• an inner rod having an inner and outer end, the inner end of the inner rod received at the inner end of the outer rod and in the reservoir of the outer rod, the inner rod defining a reservoir, having at least one drain hole therethrough that is coupled to the inner reservoir of the inner rod, and having an outer surface about which hair may be wrapped, the inner rod longitudinally movable relative to the outer rod, the reservoir of the inner rod originating at the inner end of the inner rod and extending longitudinally at least a portion of a length of the inner rod;
• wherein the reservoir of the outer rod is defined by an inner surface of the outer rod, wherein the inner surface of the outer rod comprises a plurality of female threads, wherein the outer surface of the inner rod comprises a plurality of male threads, at least a portion of the male threads engaging at least a portion of the female threads, and wherein the plurality of female threads and the plurality of male threads cooperate to lock fix the longitudinal location of the inner and outer rods.