Seal with different compressions
AssigneeRoxtec AB
InventorAndreas Karlsson
Life of this patent
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Abstract
A seal is formed of two identical seal halves (1). Each seal half (1) comprises a front fitting (4), a rear fitting (5), a compressible part placed between the front fitting (4) and the rear fitting (5) and a number of screws (7, 14, 18, 21). Said screws goes through openings in the front fitting (4), the rear fitting (5) and the compressible part. The compressible part comprises a first material (2), a second material (3) and a middle fitting (6) placed between first material (2) and the second material (3). The first material (2), the second material (3) and the middle fitting (6) have through openings for receiving the screws (7, 14, 18, 21).
Claims10
A seal formed of two seal halves, wherein each seal half comprises a front fitting, a rear fitting, a compressible part placed between the front fitting and the rear fitting and a number of screws going through openings in the front fitting, the rear fitting and the compressible part, wherein the compressible part comprises a first material, a second material and a middle fitting placed between the first material and the second material and that the first material, the second material and the middle fitting have through openings for receiving the screws, and wherein the seal further comprises means to move the rear fitting and the middle fitting different axial lengths in relation to the front fitting when manipulating said means and that the first material and the second material have different properties.
Dependencies are inferred from the claim text.