US 6,203,649 B1Granted

Method of manufacturing a flat friction ring

AssigneeMiba Frictec GmbH

InventorsChristian Kremsmair, Gerhard Hartner

Life of this patent

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Abstract

There is described a method of manufacturing a flat friction ring which consists of a supporting ring (1) and a friction lining (2) provided on at least one side of the supporting ring and at least approximately forming radial oil grooves (3), which friction lining is first cut out of a friction lining web including slits (5) extending from at least one circumferential side for forming the future oil grooves (3), and is then glued onto the supporting ring (1). This method is characterized in that the friction lining (2) is cut out of the friction lining web in the form of a strip (7) and in the area of the connecting webs (6) between the friction lining sectors (4) separated from each other by the slits (5) is bent in a polygon-like manner to form a ring and is glued onto the supporting ring (1).

Claims4

Dependent claims

A method of manufacturing a flat friction ring consisting essentially of a supporting ring and a friction lining on at least one side of the supporting ring, the friction lining defining at least approximately radial oil grooves, which comprises the steps of

(a) cutting a strip out of a friction lining web, the strip defining a flat plane and
(1) having slits extending from at least one longitudinally extending side of the strip and spaced from each other to form sectors therebetween, and
(2) the slits being spaced from an opposite longitudinally extending side of the strip to leave connecting webs between the sectors,
(b) bending the strip at the connecting webs about axes extending perpendicularly to the plane until the sectors form a polygon producing an annular friction lining wherein the slits define the oil grooves, and
(c) gluing the annular friction lining onto the side of the supporting ring.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application: 08/683,826Filed 18 Jul 1996
Priority: AT 1261/9525 Jul 1995
Granted: 20 Mar 2001
Term ends: Not estimatedThe source records don’t support an estimate.

Classification14 codes

F16D 65/127
Discs; Drums for disc brakes: characterised by properties of the disc surface; Discs lined with friction material
F16D 13/648
Clutch-plates; Clutch-lamellae: for clutches with multiple lamellae
F16D 69/0408
Attachment of linings: specially adapted for plane linings
B29C 43/18
Of articles of definite length, i.e. discrete articles: incorporating preformed parts or layers, e.g. compression moulding around inserts or for…