Filter-replacement cassette
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IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0324369
(1994-10-17)
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우선권정보 |
DE-0005000 (1991-04-23); WO-PCT/92/00832 (1992-04-13) |
발명자
/ 주소 |
- Trendelkamp, Josef
- Veltel, Jurgen
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
1 인용 특허 :
9 |
초록
▼
A filter-replacement cassette for an extruder. A housing (1) has at least one bore. The bores (2 & 3) extend above and below and at a right angle to the horizontally flowing plastic. A cartridge (4 or 5) that accommodates a replaceable filter (5) slides back and forth inside each bore. The object is
A filter-replacement cassette for an extruder. A housing (1) has at least one bore. The bores (2 & 3) extend above and below and at a right angle to the horizontally flowing plastic. A cartridge (4 or 5) that accommodates a replaceable filter (5) slides back and forth inside each bore. The object is to facilitate start-up operation. The cartridge accordingly has at least one tap (7, bore 15, or bore 45) permanently integrated into it in addition to the replaceable filter. The housing accommodates either a cartridge or a start-up outlet bore (16, 36, or 47). While the cartridge is in a prescribed position, the start-up outlet bore can communicate with the cartridge's tap and with an intake channel (13 or 31) for the extrudate.
대표청구항
▼
A filter-replacement cassette for an extruder. A housing (1) has at least one bore. The bores (2 & 3) extend above and below and at a right angle to the horizontally flowing plastic. A cartridge (4 or 5) that accommodates a replaceable filter (5) slides back and forth inside each bore. The object is
A filter-replacement cassette for an extruder. A housing (1) has at least one bore. The bores (2 & 3) extend above and below and at a right angle to the horizontally flowing plastic. A cartridge (4 or 5) that accommodates a replaceable filter (5) slides back and forth inside each bore. The object is to facilitate start-up operation. The cartridge accordingly has at least one tap (7, bore 15, or bore 45) permanently integrated into it in addition to the replaceable filter. The housing accommodates either a cartridge or a start-up outlet bore (16, 36, or 47). While the cartridge is in a prescribed position, the start-up outlet bore can communicate with the cartridge's tap and with an intake channel (13 or 31) for the extrudate. st electrode layer containing at least one metal selected from the group consisting of platinum and gold; the second electrode layer containing at least one component selected from the group consisting of gold and a metallic oxide, wherein the first electrode layer has a composition that is different from that of the second electrode layer; and the detection electrode is formed on the solid electrolyte element only at a portion corresponding to a heating resistor formed within the heater element. 8. A device for measuring combustible-gas concentration, comprising an oxygen-ion-conductive solid electrolyte element, a reference electrode, a detection electrode formed on a surface of the solid electrolyte element, and a diffusion layer containing Pd formed on a surface of the detection electrode, a heater element for heating the solid electrolyte element, means for periodically measuring the internal resistance of the solid electrolyte element, and temperature control means for controlling a voltage applied to the heater element such that the internal resistance becomes constant, wherein the detection electrode comprises a first electrode layer formed on the surface of the solid electrolyte element, a second electrode layer formed on a surface of the first electrode layer, and a third electrode layer formed on a surface of the second electrode; the first electrode layer containing a predominant amount of platinum; the second electrode layer containing a predominant amount of gold; the third electrode layer containing a metallic oxide; and the detection electrode is formed on the solid electrolyte element only at a portion corresponding to a heating resistor formed within the heater element. 9. A device for measuring combustible-gas concentration, comprising an oxygen-ion-conductive solid electrolyte element, a reference electrode, a detection electrode formed on a surface of the solid electrolyte element, and a diffusion layer containing Pd formed on a surface of the detection electrode, a heater element for heating the solid electrolyte element, means for periodically measuring the internal resistance of the solid electrolyte element, and temperature control means for controlling the voltage applied to the heater element such that the internal resistance becomes constant, wherein the detection electrode contains gold and is formed on the solid electrolyte element only at a portion extending from an end portion of the solid electrolyte element to the vicinity of an interface between a heating resistor and a heating-resistor lead portion, which are formed within the heater element; the solid electrolyte element has the form of a closed-bottomed cylinder; the heater element disposed within the solid electrolyte element has a rod form; the central axis of the solid electrolyte element and the central axis of the heater element substantially coincide with each other; and at least a portion of an end of the heater element is in contact with an inner surface of a bottom portion of the solid electrolyte element. 10. The device for measuring combustible-gas concentration as claimed in claim 9, wherein the detection electrode contains gold and a metallic oxide. 11. A device for measuring combustible-gas concentration, comprising an oxygen-ion-conductive solid electrolyte element, a reference electrode, a detection electrode formed on a surface of the solid electrolyte element, and a diffusion layer containing Pd formed on a surface of the detection electrode, a heater element for heating the solid electrolyte element, means for periodically measuring the internal resistance of the solid electrolyte element, and temperature control means for controlling a voltage applied to the heater element such that the internal resistance becomes constant, wherein the detection electrode comprises a first electrode layer formed on a surface of the solid electrolyte element and a second electrode layer formed on a surface of the first ele
이 특허에 인용된 특허 (9)
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Petschner Goetz (Zollikon CHX), Apparatus for filtering a heat-softened stream of plastic material.
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Kreyenborg Udo (Mnster-Kinderhaus DEX), Apparatus for filtering plasticized materials.
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Stude Rolf-Rdiger (Mnster DEX) Wilken-Trenkamp Ludger (Mnster DEX), Apparatus for filtering plasticized materials in extruders and like machines.
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Gaul ; Jr. Milton U. (Hockessin DE), Diverting plate.
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Schulz Helmut (St. Florian ATX) Bacher Helmut (Puchenau ATX) Wendelin Georg (Linz ATX), Filter apparatus having filter elements shiftable between filtering and backwashing positions.
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Lambertus Friedrich (Stuttgart DEX), Filter device for a screw extruder.
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Shirato Toru (Hiroshima JPX) Yoshida Minoru (Hiroshima JPX) Mizuguchi Hideki (Hiroshima JPX), Filter screen exchanging apparatus for plastic extruder.
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Trott Delano B. (Marblehead MA), Polymer filtration apparatus.
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Konno Masashi (Akashi JPX) Ikeda Osamu (Kobe JPX), Screen/diverter changing mechanism for extruders.
이 특허를 인용한 특허 (1)
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Pohl, Harald, Device for filtering a plastic melt.
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