Frame for an inlet of a catch basin or manhole

摘要

A frame for a cover for one of a catch basin and a manhole having an inlet, the frame comprising: a frame skeleton having a hollow body having a first end and a second end, the second end being adapted to be inserted into the inlet of the catch basin or manhole, the frame skeleton having at least one flange extending laterally outwardly from the first end of the hollow body and a concrete sleeve disposed around the hollow body on an external surface thereof, the concrete sleeve being adapted to be disposed between the inlet of the one of the catch basin and manhole and the at least one flange, the concrete sleeve having a top surface abutting the under surface of the at least one flange, the under surface of at least one flange covering the top surface of the concrete sleeve.

主权项

1. A frame for a cover for one of a catch basin and a manhole, the one of the catch basin and the manhole having an inlet, the frame comprising:
a frame skeleton having a hollow body, the hollow body having a first end and a second end, the second end of the hollow body being adapted to be inserted into the inlet of the one of the catch basin and the manhole, the frame skeleton having at least one flange extending laterally outwardly from the first end of the hollow body, a surface of the at least one flange facing the second end being an under surface of the at least one flange; and a concrete sleeve disposed around the hollow body on an external surface thereof, the concrete sleeve being adapted to be disposed between the inlet of the one of the catch basin and manhole and the at least one flange, the concrete sleeve having a top surface abutting the under surface of the at least one flange, the under surface of at least one flange covering the top surface of the concrete sleeve,the hollow body of the frame skeleton being connected to the concrete sleeve, using at least one of
at least one outwardly extending anchor point disposed on the external surface of the hollow body, the outwardly extending anchor point being adapted to connect with the concrete sleeve and; at least one opening provided on an extension extending beyond the external surface of the hollow body, said opening being adapted to receive attachment means to connect with said concrete sleeve.