Stock material or miscellaneous articles – Circular sheet or circular blank
Patent
1996-03-19
1998-12-29
Ahmad, Nasser
Stock material or miscellaneous articles
Circular sheet or circular blank
156 60, 156 731, 156 735, 251368, 428 661, 428 664, 428 667, 428698, 428699, 428704, B32B 302
Patent
active
058538399
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.
REFERENCES:
patent: 4258751 (1981-03-01), Humpert
patent: 5372161 (1994-12-01), Bechte
Ahmad Nasser
Hoechst Ceramtec Aktiengesellschaft
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