Plate and apparatus for forming a plastic material flanged hollow article
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B29C-051/10
B29C-051/26
B29C-049/30
B29C-051/18
B29C-051/42
B29C-051/22
B29C-051/30
B29K-025/00
B29K-067/00
B29K-077/00
B29C-051/32
출원번호
US-0700764
(2011-06-01)
등록번호
US-9333696
(2016-05-10)
우선권정보
EP-10164837 (2010-06-03)
국제출원번호
PCT/EP2011/059044
(2011-06-01)
§371/§102 date
20121129
(20121129)
국제공개번호
WO2011/151374
(2011-12-08)
발명자
/ 주소
Benedetti, Giulio
출원인 / 주소
Cryovac, Inc.
대리인 / 주소
Ruble, Daniel B.
인용정보
피인용 횟수 :
0인용 특허 :
38
초록▼
It is disclosed a plate for a mould station to form a flanged hollow plastic container by shaping a flat billet, the plate comprising a base, a frame, an outer core to form a container of a first size and an inner core to form a container of a second size, smaller than the first size, wherein the fr
It is disclosed a plate for a mould station to form a flanged hollow plastic container by shaping a flat billet, the plate comprising a base, a frame, an outer core to form a container of a first size and an inner core to form a container of a second size, smaller than the first size, wherein the frame is integral with the base and wherein the frame defines a frame upper surface; wherein the outer core, in a first configuration, is held elastically with its upper surface flush with the frame upper surface and, in a second molding configuration, is held with its upper surface recessed with respect to the frame upper surface; wherein the inner core, in a first configuration, is held elastically with its upper surface flush with the frame upper surface and, in a second molding configuration, is held with its upper surface recessed with respect to the frame upper surface; and wherein a retention system is provided to retain said billet substantially adhering to at least the upper surface of the inner core.
대표청구항▼
1. A plate useful for a mould station to form a flanged hollow plastic container by shaping a flat billet in a mould cavity, the plate comprising: a frame;an outer core to form a container of a first size; andan inner core to form a container of a second size smaller than the first size, wherein:the
1. A plate useful for a mould station to form a flanged hollow plastic container by shaping a flat billet in a mould cavity, the plate comprising: a frame;an outer core to form a container of a first size; andan inner core to form a container of a second size smaller than the first size, wherein:the frame defines a frame upper surface;the outer core, in a first configuration, is held elastically with an outer core upper surface flush with the frame upper surface and, in a second moulding configuration, is held with the outer core upper surface recessed with respect to the frame upper surface;the inner core, in a first configuration, is held elastically with an inner core upper surface flush with the frame upper surface and, in a second moulding configuration, is held with the inner core upper surface recessed with respect to the frame upper surface; anda retention system is provided to retain the billet substantially adhering to at least the inner core upper surface. 2. The plate as claimed in claim 1 further comprising a heating device. 3. The plate as claimed in claim 2, wherein the heating device comprises electric resistors applied to the outer core and electric resistors applied to the inner core. 4. The plate as claimed in claim 1 wherein the retention system utilizes a vacuum. 5. The plate as claimed in claim 1 further comprising a pressurized air supply system to shape the flat billet to conform to the mould cavity. 6. The plate as claimed in claim 5 further comprising a slot between the frame and the outer core for the passage of air to assist the formation of the flange of the flanged container. 7. The plate as claimed in claim 5 further comprising a slot between the outer core and the inner core for the passage of air to assist the formation of the flange of the flanged container. 8. A plate assembly for a mould station to form a flanged hollow plastic container by shaping a flat billet in a mould cavity, the plate assembly comprising: the plate of claim 1; anda counter-plate to retain in a sandwich arrangement the billet between the plate and the counter-plate. 9. The plate assembly as claimed in claim 8, wherein the counter-plate is hinged to the plate, whereby the plate assembly can be opened. 10. The plate assembly as claimed in claim 8, wherein the counter-plate is heated. 11. The plate assembly as claimed in claim 8, wherein the plate assembly comprises aluminum or aluminum alloy. 12. A forming machine to form flanged hollow plastic containers by shaping flat billets, the forming machine comprising: a storage reservoir for the billets,an arrangement of plates, comprising at least two plates according to claim 1, andfirst and second platens adapted to sequentially take and feed the billets from the storage reservoir to the arrangement of plates. 13. The forming machine as claimed in claim 12, wherein the at least two plates are arranged horizontally and adapted to revolve about a vertical axis. 14. The forming machine as claimed in claim 12, wherein the at least two plates are adapted to revolve about a horizontal axis. 15. The forming machine as claimed in claim 12, wherein the first and second platens are adapted to revolve about a slanting axis and rotate alternately by approximately 180°.
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