closed frame

closed frame

[¦klōzd ¦frām]
(mining engineering)
A mine support frame that is completely closed; especially in inclined shafts, it is used to protect all sides from rock pressure.
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References in periodicals archive ?
The work of party to conduct consists of a double closed frame of 120 m long and its head south, as an extension of closed existing framework north.
Similar to the Viper Elite SD, the Specialist SD also offers maximum security with its closed frame with the addition of a full sized platform.
The Smart Weigh Belt is now available in both 300 and 600mm belt width and in open and closed frame versions.
It features a cast iron closed frame and Winisip programming software, which can import IGES, UNISURF, SET, and VDA files from any CAD system.
The IRIS4009 is ideal for universal and single-input AC-DC power supplies and adaptors for consumer electronics and, also, can be used as a housekeeping / standby supply in larger AC-DC power supplies or motor drives, up to 30W open frame, or 15W closed frame.
The work portion is formed to perform a dual closed frame of 120 m long and its South head, an extension of the existing north side closed frame.
The bed and closed frame assembly sit on a three-point support that forms a rigid structure.
The IRIS4009 can also be used as a housekeeping supply in large AC-DC power supplies or motor drives, up to 30W open frame, or 15W closed frame.
The work of part to be produced is made up of a double closed frame of 120 m long and its head south, as an extension of the existing north side closed frame.
The work consists of removing the existing six span slab bridge and replacing it with a closed frame continuous concrete slab bridge.
50 m (between piers naked), OH 5 type envisaged: closed frame, reinforced concrete, useful right Width: 11.
Consultation regarding: the construction of a bridge: a passage such framework below deck closed frame (PICF) pile called PI 4 to cross the Blaise.