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Laminated ceramic molded article having recesses

A molded body, ceramic technology, applied in the direction of liquid displacement machinery, mechanical equipment, pumps, etc., can solve the problem of high risk of crack formation

Inactive Publication Date: 2017-03-22
CERAMTEC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Furthermore, in the case of complex geometries, the risk of crack formation during sintering is high

Method used

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  • Laminated ceramic molded article having recesses
  • Laminated ceramic molded article having recesses
  • Laminated ceramic molded article having recesses

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Experimental program
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Embodiment Construction

[0043] figure 1 A detail from a ceramic molded body 1 according to the invention consisting of a plurality of ceramic plates 3 is shown. The reference number 7 designates an intermediate plate made of a ceramic material. A ceramic cover plate 8 is placed on the uppermost intermediate plate 7 and sintered. Openings 10 are introduced into the cover plate 8 , through which a cooling medium can be introduced into the molded body. Recesses 2 are introduced into the intermediate plate 3 by laser processing, which recesses form openings, channels and recesses 12 in the molded body. For connecting a temperature-regulating medium, a connecting element 4 is connected to the molded body 1 . In the embodiment shown, the coupling element has a protruding collar 6 and a continuous opening 17 which is connected to the recess 2 or recess 12 . (not shown: the coupling element can be designed in the form of a hose coupling or a pipe piece). The protruding flange 6 is either glued to the mo...

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Abstract

The invention relates to a ceramic molded article (1) that has recesses (2) and comprises at least two plates (joined parts) (3) made of a ceramic material, i.e. a lower base plate (9), an upper cover plate (8) and, optionally, one or more intermediate plates (7) which are stacked on top of each other and are joined to each other on the surfaces thereof to form the molded article (1); a joining material (paste) is placed between the plates (joined parts) (3).

Description

technical field [0001] The invention relates to a ceramic molded body with recesses, a method for producing said molded body and its use. Background technique [0002] Dry-pressed, extruded or film-cast ceramic moldings can be milled or punched particularly easily in the green state. Joining a plurality of molded bodies (for example by means of an applied ceramic paste) enables the production of molded bodies with more complex geometries, such as undercut openings. There are however significant limitations. [0003] For larger and / or unevenly molded moldings (over approximately 100 mm), deviations from the desired final geometry can occur due to inhomogeneous shrinkage during sintering. It is difficult to handle a thin molded body that expands over the surface (for example, with a thickness of 1 mm the side dimensions are 200*300 mm). Large-area moldings with channel structures (usually milled dry-pressed parts) must be a few millimeters thick in order to provide sufficie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B37/00C04B41/51F04B19/00
CPCC04B37/005F04B19/006C04B2237/343C04B2237/341C04B2237/368C04B2237/366C04B2237/365C04B2237/09C04B2237/083C04B2237/08C04B2237/064C04B2237/062C04B2235/616C04B2237/582C04B2237/62C04B2237/066C04B2237/348
Inventor T.贝茨H.克雷斯
Owner CERAMTEC