Prefabricated part with a concrete body

    公开(公告)号:US20210170628A1

    公开(公告)日:2021-06-10

    申请号:US16794596

    申请日:2020-02-19

    Applicant: Predl GmbH

    Inventor: Manfred Predl

    Abstract: A prefabricated part comprises a concrete body that has the form of a pipe section with two pipe ends and a pipe inner side. The pipe inner side is lined at least in some areas by a lining made of plastic material connected to the concrete body, and at least one of the pipe ends is covered at least in some areas by a molded part made of plastic material connected to the concrete body. At least the pipe end, which is covered at least in some areas, has a connecting joint in order to connect the pipe end to a pipe end of a further prefabricated part. The lining consists of a thermoplastic material and the molded part consists of a thermosetting plastic. The lining and the molded part are connected to each other in a sealed manner.

    Prefabricated part with a concrete body

    公开(公告)号:US11639595B2

    公开(公告)日:2023-05-02

    申请号:US16794596

    申请日:2020-02-19

    Applicant: Predl GmbH

    Inventor: Manfred Predl

    Abstract: A prefabricated part comprises a concrete body that has the form of a pipe section with two pipe ends and a pipe inner side. The pipe inner side is lined at least in some areas by a lining made of plastic material connected to the concrete body, and at least one of the pipe ends is covered at least in some areas by a molded part made of plastic material connected to the concrete body. At least the pipe end, which is covered at least in some areas, has a connecting joint in order to connect the pipe end to a pipe end of a further prefabricated part. The lining consists of a thermoplastic material and the molded part consists of a thermosetting plastic. The lining and the molded part are connected to each other in a sealed manner.

    Manhole base liner and method for manufacturing a manhole base liner

    公开(公告)号:US10273664B2

    公开(公告)日:2019-04-30

    申请号:US15801604

    申请日:2017-11-02

    Applicant: Predl GmbH

    Inventor: Manfred Predl

    Abstract: A manhole base liner (1), in particular for a wastewater manhole, has a base body (2) which comprises a tread surface (3) and at least one pipe connection opening (5). The base body (2) is produced in one piece from flexible material with a wall thickness, with which it can be bent together substantially arbitrarily in at least partial regions.

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