Installation for heating the bodies of preforms for blow-moulding containers
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B29C-049/64
B29B-013/08
B01J-019/08
F27B-009/36
F21V-007/00
H01S-005/06
H05B-003/66
출원번호
US-0136200
(2008-06-10)
등록번호
US-8662876
(2014-03-04)
우선권정보
FR-07 04144 (2007-06-11)
발명자
/ 주소
Plantamura, Bernard
출원인 / 주소
Sidel Participations
대리인 / 주소
Sughrue Mion, PLLC
인용정보
피인용 횟수 :
0인용 특허 :
166
초록▼
Installation for heating the bodies (1) of thermoplastic preforms (2) with a view to manufacturing containers by blow-molding or stretch-blow-molding, while the preforms (2) are being moved along with their bodies (1) following a predetermined path (T), this installation comprising at least one dire
Installation for heating the bodies (1) of thermoplastic preforms (2) with a view to manufacturing containers by blow-molding or stretch-blow-molding, while the preforms (2) are being moved along with their bodies (1) following a predetermined path (T), this installation comprising at least one directional source (5) of electromagnetic radiation directed towards a location (E) on the path (T); the source (5) is inclined by an angle (α) of between about 60° and 10° and preferably less than about 45°, with respect to the tangent (6) to the path (T) at the location (E); thus, the electromagnetic radiation can pass through several preform bodies or parts of bodies without being appreciably reflected back towards the source (5).
대표청구항▼
1. Installation for heating bodies of thermoplastic preforms with a view to manufacturing containers by blow-moulding or stretch-blow-moulding, while said preforms are being moved along in such a way that their respective bodies follow a predetermined straight path, the installation comprising: a tu
1. Installation for heating bodies of thermoplastic preforms with a view to manufacturing containers by blow-moulding or stretch-blow-moulding, while said preforms are being moved along in such a way that their respective bodies follow a predetermined straight path, the installation comprising: a tunnel oven flanked laterally by a first side wall and a second side wall respectively disposed on each side of said predetermined straight path,a source of infrared electromagnetic radiation positioned to the side of the predetermined straight path followed by the bodies of the preforms, said source of infrared electromagnetic radiation having a plurality of juxtaposed laser diodes being supported by the first side wall and directed towards a location on said predetermined straight path, anda straight reflector which is positioned on the second side wall opposite to the first side wall and extends at least at a location on the second side wall where a direction of propagation of the radiation reaches said second side wall and reflects from said second side wall in the form of a broadly divergent beam or a beam with substantially parallel edges for heating the bodies of preforms, while said preforms being moved along the path of the tunnel,wherein the source of infrared electromagnetic radiation comprises a first directional source inclined by an angle of between about 60° and 10° with respect to a tangent to said predetermined straight path at the location toward which said source of infrared electromagnetic radiation is directed. 2. The installation for heating according to claim 1, wherein said angle is less than about 45°. 3. The installation for heating according to claim 2, wherein said angle is between about 20° and 31°. 4. The installation for heating according to claim 2, wherein the angle is between about 12° and 20°. 5. The installation for heating according to claim 1, wherein the first directional source of infrared electromagnetic radiation faces in the direction of travel of the preforms. 6. The installation for heating according to claim 1, wherein the first directional source of infrared electromagnetic radiation is arranged to face in a direction opposite to the direction of travel of the preforms. 7. The installation for heating according to claim 1, wherein the source of infrared electromagnetic radiation further comprises a second directional source of infrared electromagnetic radiation, wherein the first directional source of infrared electromagnetic radiation faces in the direction of travel of the preforms, andthe second directional source of infrared electromagnetic radiation faces in the direction opposite to the direction of travel of the preforms. 8. Installation for heating bodies of thermoplastic preforms for manufacturing containers by blow-moulding or stretch-blow-moulding, while said preforms are moved along in such a way that respective bodies of the preforms follow a predetermined path, the installation comprising: at least one tunnel oven flanked laterally by a first side wall and a second side wall respectively disposed on each side of said predetermined path,at least one source of infrared electromagnetic radiation positioned on a side of the predetermined path followed by the bodies of the preforms, said source of infrared electromagnetic radiation having of a plurality of juxtaposed laser diodes being supported by the first side wall and directed toward a location on said predetermined path, anda reflector which is positioned on the second side wall opposite the first side wall and extends at least at a location on the second side wall where a direction of propagation of the radiation reaches said second side wall and reflects from said second side wall in the form of a broadly divergent beam or a beam with substantially parallel edges for heating the bodies of preforms, while said preforms being moved along the path of the tunnel,said first and second side walls are curved such that at least a portion of the predetermined path in said tunnel oven, including where said source of infrared electromagnetic radiation is directed, is curved,said source of infrared electromagnetic radiation is positioned on a convex side of said predetermined path,said reflector is convex and positioned on an inside surface of the second side wall, the inside surface is convex relative to the direction of propagation of the radiation from the source of infrared electromagnetic radiation positioned on the convex side of said predetermined path, andthe source of infrared electromagnetic radiation is a directional source inclined by an angle of between about 60° and 10° with respect to a tangent to said predetermined path at the location toward which said source of infrared electromagnetic radiation is directed. 9. Installation for heating bodies of thermoplastic preforms for manufacturing containers by blow-moulding or stretch-blow-moulding, while said preforms are being moved along in such a way that respective bodies of the preforms follow a predetermined path, the installation comprising: at least one tunnel oven flanked laterally by first side wall and a second side wall respectively disposed on each side of said predetermined path,at least one source of infrared electromagnetic radiation positioned to the side of the predetermined path followed by the bodies of the preforms, said source of infrared electromagnetic radiation having of a plurality of juxtaposed laser diodes being supported by the first side wall and directed toward a location on said predetermined path, anda reflector which is positioned on the second side wall opposite the first wall and extends at least at a location on the second side wall where a direction of propagation of the radiation reaches said second wall and reflects from said second side wall in the form of a broadly divergent beam or a beam with substantially parallel edges for heating the bodies of preforms, while said preforms being moved along the path of the tunnel,wherein said tunnel oven is curved, said first and second side walls are curved such that at least a portion of the predetermined path in said tunnel oven, including where said source of infrared electromagnetic radiation is directed, is curved,said source of infrared electromagnetic radiation is positioned on a concave side of said predetermined path,said reflector is concave and is positioned on an inside surface of the second side wall, the inside surface is concave relative to the direction of propagation of the radiation from the source of infrared electromagnetic radiation positioned on the concave side of said predetermined path, andthe source of infrared electromagnetic radiation is a directional source inclined by an angle of between about 60° and 10° with respect to a tangent to said predetermined path at the location toward which said source of infrared electromagnetic radiation is directed.
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