System for sealing the rotary tube of a rotary tubular kiln
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United States of America Patent
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-
Jul 22, 1980
Grant Date -
N/A
app pub date -
Sep 13, 1978
filing date -
Sep 16, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system for sealing the rotary tube of a rotary tubular kiln relative to the casing at inlet and outlet portions with first packings which contact radially extending sealing surfaces, as well as second packings abutting axially extending sealing contact surfaces, as well as at least one sealing ring element receiving said second packings and arranged in concentric relation to said rotary tube, said sealing ring element having a certain degree of axial and radial freedom of movement and being provided with mounting means taking up the weight of said sealing ring element including the weight of said packings, and said sealing ring element being urged in the axial direction, when mounting said first packings, against a sealing contact surface mounted stationarily to said casing, or against said packings secured to said casing.
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