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US 2025/0178828 A1Published application
Conical wall riser with interleaved tab connectors
AssigneeInfiltrator Water Technologies, LLC
InventorsGregory TRUDE, Paul R HOLBROOK
Life of this patent
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Abstract
A plastic article useful as a riser assembly for a septic tank or as part of another structure is comprised of a multiplicity of identical shape conical wall plastic risers. The risers are attached to each other at joints by tabs which engage rim segments; each end of the riser has alternating tabs and rim segments. A riser assembly wall undulates in the lengthwise direction. The risers nest within each other for shipment or storage.
Claims13
1-14. (canceled)
A riser for use in a riser assembly, wherein the riser comprises:
- an angled wall connecting a first end and a second end spaced apart along a central lengthwise axis;
- wherein the first end is circular and comprises:
- a first diameter;
- a first plurality of tabs spaced apart around a circumference of the first end, wherein each of the first plurality of tabs comprises angled circumferential direction-facing opposing ends and a radially extending lip;
- and
- a first plurality of rim segments spaced apart around the circumference of the first end, wherein each of the first plurality of rim segments is positioned in a space between each of the first plurality of tabs;
- wherein the second end is circular and comprises:
- a second diameter;
- a second plurality of tabs spaced apart around a circumference of the second end, wherein each of the second plurality of tabs comprises angled circumferential direction-facing opposing ends and a radially extending lip;
- and
- a second plurality of rim segments spaced apart around the circumference of the second end, wherein each of the second plurality of rim segments is positioned in a space between each of the second plurality of tabs.
8 more elements
Dependencies are inferred from the claim text.