Device to feed reinforcement rods

Details Device to feed reinforcement rods Device to feed reinforcement rods

1990-10-10

1992-07-14

Taylor, Dennis L.

Hydraulic and earth engineering

Miscellaneous

405140, 405145, E21D 1900

Patent

active

051297647

ABSTRACT:
Device (26) to feed reinforcement rods (25), which is suitable to cooperate with an excavation equipment (14) in providing lengthwise reinforcements in tunnels, particularly in excavations of a great depth amounting to about twenty meters or more, the excavation equipment (14) being borne on an excavator machine (10) and being able to rotate by an angle "alpha" from one or the other of two lateral inactive positions (A-B), the device (26) comprising means (27) for connection to the excavation equipment (14), support means (28) that bear means (30) that uphold and lift the reinforcement rods (25), means (32), that draw the reinforcement rods (25) and means (34-35) that guide and align the reinforcement rods (25).

REFERENCES:
patent: 4095434 (1978-06-01), Hunter et al.
patent: 4264051 (1981-04-01), Walmsley et al.
patent: 4799556 (1989-01-01), Foster et al.

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