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US 5,908,266 AGranted
Flow drain
OwnerLyle E. Millerinventor
Life of this patent
Estimating the term…
Abstract
Below ground drain and conduit member to receive surface water. The member comprises two (2) extruded plastic assemblies that are joined together to form one (1) unit. This unit assembly is attached to a plastic carrier pipe, in a longitudinal fashion. The unit assembly is attached to the carrier pipe by a chemical welding process or other means.
Claims6
A pipe drain system comprising:
- (A) a plastic carrier pipe having a diameter and a longitudinal access with an elongated slot extending lengthwise along the upper surface thereof;
- and
- (B) a grate assembly connected to said plastic carrier pipe through a chemical welding process, said grate assembly comprising:
- (i) two extruded plastic sections, each extruded plastic section further comprising:
- (a) a vertical portion having a top portion, a bottom portion, an interior surface and an exterior surface;
- and
- (b) a curved portion having a first end, an interior surface and an exterior surface;
- and
- (ii) a plurality of flat spacer units rigidly fixed by a chemical welding process or a hot welding process between the interior surfaces of each said vertical portion of the extruded plastic section, respectively.
6 more elements
Dependencies are inferred from the claim text.