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Innovative eco friendly traps for the control of
Pine Lepidoptera in urban and recreational places

TECHNOLOGICAL WATCH

Type of information: PATENTS

In this section, you can access to the latest technical information related to the PISA project topic.

ANNULAR SEALING DEVICE

An annular sealing device may include a support ring and a sealing ring of a sealing material. The support ring may have an axial face end, an inner lateral surface, and a plurality of passage openings. The sealing ring may have an L-shaped cross section, a radial sealing surface, and an axial sealing surface and may lie against the inner lateral surface and the axial face end. The plurality of passage openings may each have an undercut directed radially to an outside. The plurality of passage openings may define a negative form for a plurality of connecting webs. The sealing ring may be a plastic injection moulding and injection moulded onto the support ring such that the axial sealing surface, the radial sealing surface, and the plurality of connecting webs are a single piece and the plurality of undercuts are at least partly filled with the sealing material.


» Number: US2020003307A1 (A1)

» Publication Date: 20//2/02/0

» Applicant: MAHLE INT GMBH?[DE]

» Inventor: GRILL OLIVER?[DE]; HERBER ACHIM?[DE]

» More Information

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