Sealing rings for ventilation ducts
Granted 28 Aug 2001 · no office action yet
Current assignee: Lindab Ab · originally Lindab AB
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Attorney: Attorney · Log in to unlock
Inventors: Kenneth Lennartsson, Lars-Ake Mattsson, Pontus Andersson, Tomas Persson · Examiner: Louis S. Zarfas · AU 2914 · TC 2900
Life of the patent
4 dated eventsDescription
1 parts›FIG. 1 is a perspective view of a…
FIG. 1 is a perspective view of a sealing ring according to a first embodiment of the new design, as seen obliquely from one side.
FIG. 2 is a cross-sectional view of the sealing ring of FIG. 1 shown on an enlarged scale.
FIG. 3 is a perspective view of a sealing ring according to a second embodiment of the new design, as seen obliquely from one side; and,
FIG. 4 is a cross-sectional view of the sealing ring of FIG. 3 shown on an enlarged scale.
Claims
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