Seal for chambered doctor blade
AssigneeFischer & Krecke GmbH & Co.
InventorsWilfried Kolbe, Klaus Schirrich, Lars Gruter
Life of this patent
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Abstract
A seal for a chambered doctor blade (10) of a printing machine, in the form of a rubber-elastic body, which is inserted at the end of the chambered doctor blade in a seal holder (18) and, with an obliquely applied lip (24), lies against the periphery of a roller (12), against which the chambered doctor blade is placed, wherein the seal (20) has a second lip (24), which forms a V-shaped cross section with the first.
Claims10
A seal for a chambered doctor blade (10) of a printing machine, in the form of a rubber-elastic body, which is inserted at the end of the chambered doctor blade in a seal holder (18) and, with an obliquely applied lip (24), lies against the periphery of a roller (12), against which the chambered doctor blade is placed, wherein the seal (20) has a second lip (24), which forms a V-shaped cross section with the first.
The seal of one of the preceding claims, wherein each lip (24), at least in the region adjacent to the roller (12), has an auxiliary lip (38), which extends parallel to its main ridge.
The seal of one of the preceding claims, wherein the part of the seal (20), taken up in the seal holder (18), is constructed as a solid, rectangular support (22), one end face of which lies, with a smooth surface (42), against the chambered doctor blade (10) and it is surrounded at the three remaining sides by continuous tolerance equalization lips (44).
The seal of one of the preceding claims, wherein the two lips (24) enclose an angle of about 80° with one another.
Dependencies are inferred from the claim text.