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 on
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.
대표청구항▼
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
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; anda 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. 2. The frame of claim 1, wherein the hollow body has an asymmetrical cross-section. 3. The frame of claim 1, wherein the hollow body has a truncated circular cross-section. 4. The frame of claim 1, wherein the external surface of the hollow body is tapered outwardly from the second end to the first end of the hollow body. 5. The frame of claim 1, wherein the hollow body has an inside surface, and the inside surface is vertically straight. 6. The frame of claim 1, wherein the at least one flange includes at least one groove. 7. The frame of claim 1, wherein an outer perimeter of the at least one flange has a same shape of an inner perimeter of the at least one flange. 8. The frame of claim 1, wherein the at least one flange has at least one section with a width narrower than a main width of the at least one flange. 9. The frame of claim 1, wherein the frame skeleton includes a plurality of U-shaped anchor points disposed on an inside surface of the hollow body. 10. The frame of claim 1, wherein the hollow body has an inside surface, and the inside surface includes a recess at the first end of the hollow body for receiving the cover, the cover being one of a grate and a closed cover. 11. A method for making a frame for an inlet of one of a catch basin and a manhole, the method comprising: providing a frame skeleton, the 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; andassembling a concrete sleeve around the hollow body to form the frame before placing the frame into the inlet of the one of the catch basin and manhole, the concrete sleeve being adapted to be disposed between the inlet of 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,said assembling further comprising at least one ofcasting the concrete sleeve around the hollow body, on at least one outwardly extending anchor point disposed on the external surface of the hollow body; andattaching the concrete sleeve to the hollow body using attachment means and at least one opening provided on an extension extending beyond the external surface of the hollow body. 12. The method of claim 11, further comprising: casting the frame skeleton before providing the frame skeleton.
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