초록 ▼

A blow molded article is disclosed. The blow molded article includes a body defining a cavity, and a wall integrally-formed with the body and defining at least in part, an enclosure. A method of making a blow molded article is also disclosed. The method comprises supplying a preform to a mold having

A blow molded article is disclosed. The blow molded article includes a body defining a cavity, and a wall integrally-formed with the body and defining at least in part, an enclosure. A method of making a blow molded article is also disclosed. The method comprises supplying a preform to a mold having a first cavity and a second cavity, the first cavity having a pin, closing the mold, supplying a fluid to the closed mold, expanding a first portion and a second portion of the preform around the pin, and contacting the first portion and the second portion to provide the enclosure.

대표청구항 ▼

1. A method of making a blow molded article, the method comprising:supplying a preform to a mold having a first cavity and a second cavity, the first cavity having a pin;closing the mold;supplying a fluid to the closed mold;expanding a first portion and a second portion of the preform around the pin

1. A method of making a blow molded article, the method comprising:supplying a preform to a mold having a first cavity and a second cavity, the first cavity having a pin;closing the mold;supplying a fluid to the closed mold;expanding a first portion and a second portion of the preform around the pin;contacting the first portion and the second portion to provide an enclosure that circumferentially surrounds at least a portion of the pin within the first cavity. 2. The method of claim 1, further including an actuation device configured to retract the pin. 3. The method of claim 2 wherein the actuation device is a mechanical actuation apparatus. 4. The method of claim 1 wherein the mold includes one or more vents. 5. The method of claim 1 wherein the pin includes one or more vents. 6. The method of claim 1 wherein the blow molded article is a refuse container. 7. A method of making a blow molded article, the method comprising:supplying a preform to a mold having a first cavity and a second cavity, the first cavity having a pin;closing the mold;supplying a fluid to the closed mold;expanding a first portion and a second portion of the preform around the pin; andcontacting the first portion and the second portion to provide an enclosurewherein the pin remains disposed in the enclosure. 8. A method of making a blow molded article, the method comprising:supplying a preform to a mold having a first cavity and a second cavity, the first cavity having a pin;closing the mold;supplying a fluid to the closed mold;expanding a first portion and a second portion of the preform around the pin; andcontacting the first portion and the second portion to provide an enclosure;wherein the pin is approximately centered in the mold. 9. The method of claim 8 wherein the pin is spaced from a surface of the first cavity between about {fraction (1/16)} inch and about 1 inch. 10. A method of making a blow molded article, the method comprising:supplying a preform to a mold having a first cavity and a second cavity, the first cavity having a pin;closing the mold;supplying a fluid to the closed mold;expanding a first portion and a second portion of the preform around the pin; andcontacting the first portion and the second portion to provide an enclosure;wherein the pin is cylindrical and has a diameter of up to 8 inches. 11. A method of making a blow molded article, the method comprising:supplying a preform to a mold having a first mold cavity and a second mold cavity, the first cavity having a pin;closing the mold and sealing the preform;supplying a fluid to the preform;expanding the preform so that a first portion and a second portion of the preform expand around the pin;contacting and joining the first portion and the second portion to provide an enclosure; andremoving the pin from the enclosure;wherein the pin is removed from the enclosure by an actuation device to move the pin between an extended position and a retracted position. 12. The method of claim 11 wherein the actuation is an electro-mechanical actuation apparatus. 13. The method of claim 11 wherein the enclosure is a bore.