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.
PG-Series Bore Gages can be used to examine the entire bore for diameter, taper, barrel, bell mouth, out-of-round and lobing.
Tenders are invited for Construction of bell mouth gate to twbh at siripura (v) hathnoora (m) sangareddy district
As a result, a bell mouth can be produced at the top of a threaded hole.
Tenders are invited for Construction of bell mouth gate to twbh at jogipet (v) andole (m) sangareddy district
Tenders are invited for Construction of bell mouth gate to twbh at sangareddy (v&m) sangareddy district
Tenders are invited for Construction of bell mouth gate to twahs at mirzapur (v) husnabad (m) siddipet district
Tenders are invited for Construction of bell mouth gate to twahs at husnabad (v&m) siddipet district
Tenders are invited for Construction of bell mouth gate to twbh at gajwel (v&m) siddipet district
Tenders are invited for Construction of kitchen shed, washing plat form wear storage sump, bell mouth gate, additional toilets, additional bath rooms.
Tenders are invited for Supply of fabricated of suction bell mouth and suction chamber
Tenders are invited for Supply of fabricated suction bell mouth and suction chamber as per specifications and attached drawings