A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Taper-wall riser with tab connectors
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.
Taper-wall riser with tab connectors
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.
Taper-wall riser with tab connectors
TRUDE GREGORY (author) / HOLBROOK PAUL R (author)
2017-07-06
Patent
Electronic Resource
English
IPC:
E03F
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