back draft

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back draft

[′bak ‚draft]
(metallurgy)
A reversed taper given to a casting model or pattern to prevent its withdrawal from the mold.
References in periodicals archive ?
* A backdraft damper is placed in the inlet ducting.
Sources included the backdraft damper, seams, and penetrations in the housings.
There immense a backdraft on your e "I didn't know if there was going to be a second blast.
Co-star Kurt Russell has excellent form with on-screen pyrotechnics - he valiantly battled the raging inferno of Backdraft back in 1991 - and forges a pleasing onscreen partnership with Wahlberg here.
A number of shop units were caught up in the blaze but it is believed the explosion was caused by a backdraft, not a device.
A backdraft damper is used in parallel FPTUs to prevent primary air from leaking back toward the fan and into the plenum space when the FPTU fan is off.
Backdraft, the chili team from the $940 million FirefightersFirst CU in Los Angeles, won the Best Showmanship award.
Russell has long decompressed from filming movies like "Backdraft" by nurturing an interest in wine, a passion that deepened as he and longtime partner Goldie Hawn hiked around grapevine-intensive regions like France, Italy and the Napa Valley.
He said fire officials told him the woodstove started the fire from a backdraft from the high wind.
The two were caught in a backdraft after a kitchen door was opened, according to Civil Defence sources, with Mr Mohammed fracturing his left leg and Mr Salam sustaining severe injuries to his legs, hands and head.
New Backdraft extruder from American Kuhne, Ashaway, Rd., has a reverse-air cooling system suited especially to blown film that removes heat and undesireable air currents from the extrusion area for optimum bubble stability while also improving energy efficiency.