Method for installing ceiling panels in a tunnel

Details Method for installing ceiling panels in a tunnel Method for installing ceiling panels in a tunnel

1976-07-15

1977-10-04

Shapiro, Jacob

61 84, 52480, 214 1B, E21D 1105, B25J 300

Patent

active

040516822

ABSTRACT:
A method for installing ceiling panels in a tunnel comprises installing a plurality of brackets in the tunnel roof and disposing a horizontal platform at an intermediate height in the tunnel. A plurality of ceiling panels are lifted onto the platform where the panels are then linked together to form a ceiling section. The platform is then raised upwardly until the panels are adjacent the brackets, and the panels are then secured to the brackets.

REFERENCES:
patent: 2455650 (1948-12-01), Billner
patent: 3970200 (1976-07-01), Goetjen

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