Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1995-03-20
1997-03-18
Simmons, David A.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156293, 269 56, 165 79, 297265, 2989004, 269 47, 269 50, 269900, 269902, 269909, B32B 3126, F28F 700, C04B 3700
Patent
active
056118775
ABSTRACT:
Jigs usable in a method for manufacturing a joined ceramic structure having a plurality of tubes and perforated plates joined to both the end portions of these tubes which has the steps of inserting the tubes of sintered ceramics into through-holes of the perforated plates of unsintered ceramics having a plurality of the through-holes, thereby integrally joining both the members by the utilization of a difference between firing shrinkage ratios of both the members; the jigs having end portions which are inserted into jig fixation orifices beforehand formed through the perforated plates and which have an outer diameter slightly smaller than a diameter of the orifices, and stems having an outer diameter larger than the diameter of the jig fixation orifices, the end portions and the stems being constituted so as to be detachably combined at engagement portions where they are engaged with each other without mutual restriction, the jigs being integrally combined with the joined ceramic structure after the completion of the joining. Position deviation by the firing shrinkage of the perforated plates can be effectively prevented, whereby the joined ceramic structure having excellent shape accuracy and excellent airtightness at joined portions can be obtained.
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Watanabe Keiichiro
Yoshida Toshihiro
Kubovcik, Esq. Ronald J.
Mayes M. Curtis
NGK Insulators Ltd.
Simmons David A.
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