Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1985-11-06
1987-10-20
Shoap, Allan N.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277 81R, 277 93SD, 277194, F16J 1534
Patent
active
047009535
ABSTRACT:
The invention relates to a slide-ring seal which comprises a frame portion provided with connections for a sealing liquid and seal rings (4) provided with slide rings (5). Each slide ring (5) is thereby fastened in place by means of a shrinkage fit. In order to provide a better wearability and a better sealing effect, each seal ring (4) is formed by two ring portions (7, 8) which are fastened on each other by means of a radial shrinkage fit. The slide ring (5) is essentially L-shaped in cross-section so that the slide ring is provided with at least two supporting surfaces (9, 10) extending in parallel with the sliding surface. A radial clearance (11) is provided between the outer periphery of the slide ring (5) and the inner surface of the seal ring (4). The supporting surfaces (9, 10) of the slide ring (5) are supported on the seal ring (4), whereby the slide ring (5) is fastened on the seal ring (4) solely by an axial press fit.
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Kuusela Juhani
Lopperi Esko
Lummila Markku
Poikolainen Esko
Saksala Pertti
Oy Safematic Ltd.
Shoap Allan N.
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