Injection molding system for forming a pressure vessel

A mold for an injection molding system, the mold comprising:

• a mold body defining a cavity for receiving a polymeric material in a liquid state and forming a pressure vessel as the polymeric material cools to a solid state, the cavity comprising:
• a mold portion configured to form the pressure vessel, wherein the mold portion has a substantially annular configuration that surrounds an axis and extends longitudinally along the axis between a first mold end and a second mold end;
• and
• a transport portion in fluid communication with the mold portion and configured to receive the polymeric material in the liquid state from an injector and transmit the polymeric material to the mold portion, wherein the transport portion comprises:
• a sprue configured to be connected to the injector and extend between the injector and the first mold end of the mold portion;
• runners connected to the sprue and extending radially from the axis;
• and
• gates connected to each of the runners and to the first mold end of the of the mold portion spaced around the substantially annular configuration.

A mold for an injection molding system, the mold comprising:

• a mold body defining a cavity for receiving a polymeric material in a liquid state and forming a pressure vessel as the polymeric material cools to a solid state, wherein the mold body comprises at least two sections configured to engage and collectively form the cavity in a closed position for molding the pressure vessel and with the sections configured to be spaced from one another in an open position to separate the cavity and for removing the pressure vessel from the cavity, the cavity comprising:
• a mold portion configured to form the pressure vessel, wherein the mold portion has a substantially annular configuration that surrounds an axis and extends longitudinally along the axis between a first mold end and a second mold end;
• and
• a transport portion in fluid communication with the mold portion and configured to receive the polymeric material in the liquid state from an injector and transmit the polymeric material to the mold portion, wherein the transport portion comprises:
• a sprue configured to be connected to the injector and extend between the injector and the first mold end of the mold portion, wherein the sprue extends along the axis such that the sprue is aligned longitudinally with the mold portion;
• runners connected to the sprue and extending radially from the axis, wherein the runners are evenly spaced from one another about the axis;
• and
• gates connected to each of the runners and to the first mold end of the of the mold portion spaced around the substantially annular configuration.