Method and apparatus for producing molded articles
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B29C-033/34
B29C-033/00
출원번호
US-0124417
(2002-04-18)
발명자
/ 주소
Krassilnikov,Valery
출원인 / 주소
Talmolder Inc.
대리인 / 주소
Bereskin &
인용정보
피인용 횟수 :
1인용 특허 :
15
초록▼
A molding station has a housing support and a housing. The housing has a generally horizontal axis, a plurality of mold cavity enclosures and a plurality of sides. The housing is rotatably mounted to the housing support about the generally horizontal axis. The mold cavity enclosures are circumferent
A molding station has a housing support and a housing. The housing has a generally horizontal axis, a plurality of mold cavity enclosures and a plurality of sides. The housing is rotatably mounted to the housing support about the generally horizontal axis. The mold cavity enclosures are circumferentially positioned about the axis in at least some of the sides. Each mold cavity enclosure defines at least one mold cavity.
대표청구항▼
What is claimed is: 1. A molding station comprising: (a) a housing support; and, (b) a housing having a generally horizontal axis, a plurality of mold cavity enclosures and a plurality of sides, including an upper side, the housing being rotatably mounted to the housing support about the generally
What is claimed is: 1. A molding station comprising: (a) a housing support; and, (b) a housing having a generally horizontal axis, a plurality of mold cavity enclosures and a plurality of sides, including an upper side, the housing being rotatably mounted to the housing support about the generally horizontal axis, the mold cavity enclosures being circumferentially positioned about the axis in at least some of the sides, each of the mold cavity enclosures defining at least one mold cavity having an opening and a lid, each mold cavity is positionable, as the housing is rotated about the axis, to be the upper side and each lid is openable when the respective mold cavity enclosure is positioned in the side of the housing which is then the upper side of the housing. 2. The molding station as claimed in claim 1 further comprising at least one temperature control device in thermal communication with at least some of the mold cavity enclosures. 3. The molding station as claimed in claim 1 wherein the opening is fillable from above when the lid is open. 4. A molding station comprising a housing having a generally horizontal axis, a plurality of mold cavity enclosures and a plurality of sides positioned around the generally horizontal axis, including an upper side, the housing being rotatably mounted to a housing support about the generally horizontal axis, the mold cavity enclosures being circumferentially positioned about the axis in at least some of the sides, each of the mold cavity enclosures defining at least one mold cavity, each mold cavity enclosure having an opening and an associated lid which is movably mounted between a first position wherein each lid closes a respective opening and a second position wherein access is provided to the respective at least one of the mold cavity enclosures, and the opening is accessible from above when the associated lid is in the open position and as the housing is rotated about the axis, each mold cavity is positionable to be the upper side and the molding station further comprises a lid opener, the opener opening a lid of a mold cavity enclosure when the respective mold cavity enclosure is positioned in the side of the housing which is then the upper side of the housing. 5. The molding station as claimed in claim 3 wherein each mold cavity enclosure includes a first mold portion and a second mold portion, the first mold portion is mounted to the housing and the second mold portion is mounted to the associated lid. 6. The molding station as claimed in claim 2 wherein the at least one temperature control device is in thermal communication with each mold cavity enclosure. 7. The molding station as claimed in claim 1 wherein each mold cavity enclosure comprises a single mold cavity. 8. The molding station as claimed in claim 1 wherein the housing has an upper side and as the housing is rotated about the axis, each side of the housing is positionable to be the upper side and the molding station further comprises a pressurized gas outlet positioned in a lower portion of a mold cavity enclosure when the mold cavity enclosure is positioned such that the mold cavity enclosure is provided in the then upper side of the housing, the pressurized gas outlet connected to a selectively activatable source of pressurized gas wherein a pressurized gas is injected into the mold cavity enclosure to loosen a molded product from the enclosure when the source is activated. 9. The molding station as claimed in claim 1 further comprising a flexible hose member connected to a selectively activatable source of pressurized gas wherein a pressurized gas is injected into the mold cavity enclosure to loosen a molded product from the enclosure when the source is activated. 10. The molding station as claimed in claim 2 wherein (a) the housing has an interior volume and two opposing side faces, at least one of the side faces having a passage to the interior volume from exterior of the housing, and, (b) the temperature control device includes a first portion that is positioned within the interior volume, and a second portion that is positioned outside of the housing, the first and second portions being connected to each other through the passage. 11. The molding station as claimed in claim 2 wherein the temperature control device is an electrical resistance heater including a heatable resistance element that is connectable to an electrical source through a passage in the housing. 12. The molding station as claimed in claim 10 wherein the temperature control system includes a fluid conduit passing into and out of the interior volume through the passage, the fluid conduit being adapted to transport fluid at a selected temperature, into and out of the interior volume, the fluid conduit having an inlet that is connectable to a source of fluid at the selected temperature and a fluid pump for moving the fluid through the conduit from the source. 13. A molding station comprising: (a) a plurality of housings, each housing having a generally horizontal axis, a plurality of mold cavity enclosures and a plurality of sides, each housing being rotatably mounted about the generally horizontal axis, the mold cavity enclosures being circumferentially positioned about the axis in at least some of the sides; (b), each of the housings is rotatable about the axis between a plurality of feeding positions wherein in each of the feeding positions at least one of the mold cavity enclosures is adapted to be filled; and, (c) an overhead feeding system, the overhead feeding system including a molding material transport conduit, the molding material transport conduit having an inlet and an outlet, the inlet being connectable to a source of molding material, the outlet being selectively positionable above each of the housings. 14. The molding station as claimed in claim 13 further comprises a control system, the control system being adapted to feed a selected amount of molding material from the outlet into a mold cavity enclosure when the housing is in one of the feeding positions and the overhead feeding system is positioned above the housing. 15. The molding station as claimed in claim 14 wherein the control system is adapted to rotate the housings around the axis between each feeding position and to move the overhead feeding system between each of the housings whereby the overhead feeding system fills one mold cavity enclosure in each housing before filling a second mold cavity enclosure in one of the housings. 16. The molding station as claimed in claim 14 wherein each housing is independently rotatable. 17. A molding station comprising: (a) a plurality of housings, each housing having a generally horizontal axis and a plurality of mold cavity enclosures circumferentially positioned about the axis, each of the housings is rotatable about its axis between a plurality of feeding positions wherein in each of the feeding positions at least one of the mold cavity enclosures is adapted to be filled from above; and, (b) an overhead feeding system, the overhead feeding system including a molding material transport conduit, the molding material transport conduit having an inlet and an outlet, the inlet being connectable to a source of molding material, the outlet being selectively positionable above each of the housings. 18. The molding station as claimed in claim 17 further comprising a control system, the control system being adapted to feed a selected amount of molding material from the outlet into a mold cavity enclosure when the housing is in one of the feeding positions and the overhead feeding system is positioned above the housing. 19. The molding station as claimed in claim 18 wherein the control system is adapted to rotate the housings around the axis between each feeding position and to move the overhead feeding system between each of the housings whereby the overhead feeding system fills one mold cavity enclosure in each housing before filling a second mold cavity enclosure in one of the housings. 20. The molding station as claimed in claim 17 wherein each housing is independently rotatable. 21. A molding station comprising: (a) housing means rotatably mounted about a generally horizontal axis and having a plurality of mold cavity means and a plurality of sides, the mold cavity means being circumferentially positioned about the axis in at least some of the sides; and, (b) temperature control means in thermal communication with at least some of the mold cavity means and having a portion that is positioned interior of the mold cavity means and is connected to a source of energy, the portion extending outwardly from the housing at a position adjacent the axis to connect with the source of energy. 22. The molding station as claimed in claim 21 wherein each mold cavity means has a lid that is openable to provide access to the mold cavity from above. 23. The molding station as claimed in claim 21 wherein the at least one temperature control means is in thermal communication with each mold cavity means. 24. The molding station as claimed in claim 21 further comprising pressurized gas delivery means provided in at least some of the mold cavity means. 25. The molding station as claimed in claim 21 wherein the temperature control means comprises a heat exchanger provided interior of the mold cavity means of a single housing means. 26. A molding station comprising: (a) a first housing means rotatably mounted about a generally horizontal axis and having a plurality of mold cavity means and a plurality of sides, the mold cavity means being circumferentially positioned about the axis in at least some of the sides; (b) temperature control means in thermal communication with at least some of the mold cavity means; (c) each mold cavity means having a lid that is openable to provide access to the mold cavity from above; (d) at least one additional housing means rotatable about a generally horizontal axis; and, (e) an overhead feeding means for filling a mold cavity means when the mold cavity means is open. 27. The molding station as claimed in claim 26 further comprising control means adapted to feed a selected amount of molding material from the overhead feeding means into a mold cavity means when the mold cavity means is open and the overhead feeding means is positioned above the open mold cavity means. 28. The molding station as claimed in claim 27 wherein the control means is adapted to rotate the housing means around the axis and to move the overhead feeding system between each of the housing means whereby the overhead feeding means fills one mold cavity means in each housing means before filling a second mold cavity means in one of the housings means. 29. The molding station as claimed in claim 27 wherein each housing means is independently rotatable. 30. A molding station comprising: (a) a plurality of housings, each housing being rotatably mounted about a generally horizontal axis that extends through the housing and having a plurality of mold cavities and a plurality of sides, the cavities being circumferentially positioned about the axis in at least some of the sides; and, (b) moveable overhead feeder whereby the overhead feeder is positionable to fill a selected mold cavity of a housing. 31. The molding station as claimed in claim 30 further comprising a controller adapted to feed a selected amount of molding material from the overhead feeder into a mold cavity when the mold cavity is open and the overhead feeder is positioned above the open mold cavity. 32. The molding station as claimed in claim 31 wherein the controller is adapted to rotate the housing around the axis and to move the overhead feeder between each housing whereby the overhead feeder fills one mold cavity in each housing before filling a second mold cavity in another one of the housings. 33. The molding station as claimed in claim 30 wherein each housing is independently rotatable.
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