E - Fixed Constructions – 02 – D
Patent
E - Fixed Constructions
02
D
61/4.8
E02D 15/04 (2006.01) F16L 1/02 (1980.01)
Patent
CA 1078630
METHOD AND APPARATUS FOR INSTALLING UNDERGROUND PIPELINES ABSTRACT OF THE DISCLOSURE An apparatus for forming underground pipelines of the type which includes a plurality of component sections at least partially enclosed by a formable outer component, such apparatus comprising a receptacle, including a bulkhead at one end of the receptacle. The receptacle has an inlet opening sized to receive the inner component sections and the bulk- head has an outlet opening of sufficient size to permit an inner component section to pass rearwardly from the receptacle through the outlet opening. The apparatus and the inner component section are relatively axially advanceable so that the inner component section can be moved rearwardly relative to the apparatus and through the outlet opening. The form- able outer component is delivered from a source of the outer component to a location rearwardly of the bulkhead. The bulkhead inhibits the flow of formable outer component for- wardly through the outlet opening. The source of the form- able outer component may be remote from the apparatus.
291844
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