bolt sleeve

bolt sleeve

[′bōlt ‚slēv]
(design engineering)
A tube designed to surround a bolt in a concrete wall to prevent the concrete from adhering to the bolt.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

bolt sleeve

In concrete construction, a tube which surrounds a bolt in a concrete wall to prevent the concrete from sticking to the bolt.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Fitted with a Mauser-type extractor and a 3-position safety in the bolt sleeve, the bolt was as functional as it was good-looking.
The smoothness of the bolt throw can be credited to the unique cartridge depressor and nonrotating bolt sleeve.
It was easily recognized by a two-position safety slide located atop a downward-angled bolt sleeve. Its bolt had six locking lugs and a doglegged handle shaped somewhat like the one on Remington's Model 600 carbine.
Schmidt's rifle utilized a bolt handle that was attached to an actuating rod in a channel on the right of the receiver with a lug that engaged a helical groove in a bolt sleeve with dual locking lugs.
Based on the legendary Mark V action, the Vanguard has a one-piece machined receiver, fully enclosed bolt sleeve, and three rings of steel surrounding the casehead for an extra measure of strength and structural integrity.
At the rear of the receiver is a polished steel cocking indicator integrated into the bolt sleeve, which provides a visual and tactical reference that the firing pin is in the cocked position.
The receiver, bolt sleeve and floorplate are all engraved.
Bolt sleeve apertures by Belding-Mull and Marble-Goss equipped G&H and Sedgely sporters.
This particular rifle has the breech bolt with a firing pin sleeve to retain the striker and a breech bolt sleeve cap to hold the assembly together.
The only extractor failure I have ever seen under normal use was when the long Mauser extractor on an FN Mauser action separated from the bolt sleeve. This occurred during a buffalo charge, so one might surmise the bolt was worked with a superhuman jerk.
The New Mark V represents no changes in the basic design: oversized bolt sleeve with nine locking lugs and short uplift, no change in the safety.