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US 10,340,112 B1Granted
Manhole base liner and method for manufacturing a manhole base liner
AssigneePredl GmbH
InventorManfred Predl
Life of this patent
Estimating the term…
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.
Claims10
A method for producing a formed part having a base body and at least one pipe connection opening, comprising:
- a) creating a negative form of the formed part,
- b) at least regionally wrapping the negative form with a flexible film, and
- c) creating the base body by molding a material in a liquid or pasty state on the negative form,
- wherein at least one transition strip and/or at least one pipe socket is arranged on the negative form and is molded to the base body.
1 more element
Dependencies are inferred from the claim text.