bell mouth

bell mouth

[′bel ‚mau̇th]
(design engineering)
A flared mouth on a pipe opening or other orifice.
(engineering)
A defect which occurs during metal drilling in which a twist drill produces a hole that is not a perfect circle.
References in classic literature ?
I was in full career, when I heard the cough right overhead, and jumping back and looking up, beheld a man's head in a tall nightcap, and the bell mouth of a blunderbuss, at one of the first-storey windows.
The Supply Of Each Conduit Shall Be Of 4 Metres Length With Bell Mouth On One Side And In Grey Colour.
A range of hoods is available in a wide variety of designs including bell mouth, flare, fish tail, flat screen and custom designed.
The second die opens up the case mouth to the right diameter for the bullet and also puts a little bell mouth on the case.
PG-Series Bore Gages can be used to examine the entire bore for diameter, taper, barrel, bell mouth, out-of-round and lobing.
In addition, redesigned fan blades have been installed along with new turning vanes, a flow conditioner and a bell mouth.
Tenders are invited for strengthening and development of main gate with bell mouth entrance including providing granite gladding steel letter name board and providing guard room for swrs at narmala (v), gambhiraopet (m) in karimnagar district.
Tenders are invited for strengthening and development of main gate with bell mouth entrance and providing granite cladding steel letter name board for sw residential school/jc at chilkur(v&m) ranga reddy district
As a result, a bell mouth can be produced at the top of a threaded hole.
Tenders are invited for Construction Of Abutment -2 Of Bridge No 83 (Nagpur End) At Chainage 39500, Including Foundation, Substructure, Earthwork In Bell Mouth, Etc, And Other Allied And Miscellaneous Works, Excluding Superstructure Of Steel Girder In Major Detour Alignment Between Bhandarkund And Bhimalgondi Stations, In Connection With Chhindwara Ee Nagpur Gauge Conversion Project
Tenders are invited for Design and Construction of one no RCC OHSR of capacity 100000 ltrs with sill level not to be less than 26 mtr and FSL not to be less than 30 mtr complete with external RCC staircase with landing slabs RCC roof ventilator water level indicator lightening conductor including providing and fixing of CI pipes expansion joints bell mouth puddle collars duck foot bend sluice valves etc complete in all respects at New Polce Lines Fazilka and all other works contingent like plinth protection flooring between columns and haudies etc.
Tenders are invited for strengthening and development of main gate with bell mouth entrance including providing granite cladding steel letter name board for sw residential school (girls) at chinthakunta (v), karimnagar (m) in karimnagar district