Lip block construction

Details Lip block construction Lip block construction

1984-11-26

1987-02-24

Ridgill, Jr., James L.

Static structures (e.g., buildings)

Vertically curved arch with terminal support

52227, E04B 132

Patent

active

046447105

ABSTRACT:
A method of assembly adapted for use with underground structures having an arcuate, elongated configuration and constructed of substantially identical blocks joined together with substantially identical fastening means and extending from both sides of a center keystone thereby allowing energy efficient, reliable, low cost structures capable of being mass produced with minimal die or pattern expense.

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patent: 2336228 (1943-12-01), Davey
patent: 2340263 (1944-01-01), Dodson
patent: 4505088 (1985-03-01), Lippe

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