The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 29, 1998
Filed:
Mar. 19, 1996
Reinhold Schmeisser, Selb, DE;
Hoechst Ceramtec Aktiengesellschaft, Selb, DE;
Abstract
The invention relates to a composite disk for use as inlet or regulating disk, wherein a support disk and at least one hard material disk having a functional surface are arranged above one another, the support and hard material disks are joined to one another by frictional fastening, forcelocking, formlocking, mechanical interlocking, retention by self substance and/or bonding, the support disk has a thickness of at least 0.6 mm and the hard material disk has a thickness of from 0.05 to 2.5 mm and the hard material disk comprises a material having a Vickers microhardness of at least 1300 HV 0.5. The invention further provides a method of producing a composite disk, which comprises arranging a support disk and at least one hard material disk having a functional surface above one another with the disks having adjacent faces and joining the support disk by frictional fastening, forcelocking, formlocking, mechanical interlocking and/or bonding to the hard material disk by means of adhesive bonding, mechanical intermeshing and/or placing together of rough adjacent faces.