초록 ▼

A service module adapted for service work while protecting workers in hostile environments utilizes an insulated capsule to be lowered over the service area, which capsule contains a work area inside for workmen to perform the required service operations. Power and materials are supplied to the insi

A service module adapted for service work while protecting workers in hostile environments utilizes an insulated capsule to be lowered over the service area, which capsule contains a work area inside for workmen to perform the required service operations. Power and materials are supplied to the inside of the capsule by an umbilical connected to external sources and the capsule has an entranceway connectable to external transportation means to fully protect the workers when transferring into and out of the capsule.

대표청구항 ▼

Apparatus for providing a sheltered work area over a borehole in the ground surface, said apparatus comprising: structural means providing an enclosed work area and having vertical support members having wall sections jointed together and adapted to retard the flow of heat therethrough; roof means j

Apparatus for providing a sheltered work area over a borehole in the ground surface, said apparatus comprising: structural means providing an enclosed work area and having vertical support members having wall sections jointed together and adapted to retard the flow of heat therethrough; roof means joined to said wall sections and being adapted to retard the flow of heat therethrough; floor means joined to the lower portion of said wall sections and adapted to retard the flow of heat therethrough, said floor means having an opening passing therethrough of sufficient size to expose an underground borehole below said apparatus to said enclosed work area; entrance means in at least one of said wall sections arranged to provide ingress and egress to said work area by workmen; access means passing through said structural means and adapted to provide one or more openings into said work area through which power and material supply tubes may pass; and, a grouting system having power actuated raising and lowering means, telescopic tubular grouting means, and means for supplying fluids and solid grouting material to said grouting means.