Severing by tearing or breaking – Breaking or tearing apparatus – Including means to apply thermal shock to work
Patent
1991-01-18
1992-07-14
Watts, Douglas D.
Severing by tearing or breaking
Breaking or tearing apparatus
Including means to apply thermal shock to work
225103, 241 99, B26B 792, B26F 300
Patent
active
051295660
ABSTRACT:
An ampoule holder comprises a body part 1 and a head part 2 which are connected together by a pair of hinge strips 3 and a breakage link 4. A glass ampoule 7 is inserted, stem first, through an opening 6 in the base of the body portion 1. The body of the ampoule is forced past inwardly extending projections 8 until the lower end of the ampoule snaps past these projections and the shoulder at the top of the body of the ampoule 7 abuts against the curved hinge parts 3. The base of the ampoule will then be raised above the projections 8. The stem 10 of the ampoule is gripped within the head portion 2 of the holder by internal ribs or spines 11, so that the neck 9 of the ampoule is aligned with the breakage link 4. In order to achieve access to the contents of the ampoule the holder is gripped in two hands and pressure is applied to a finger grip surface 13 of the head portion of the holder so that the breakage link 4 is fractured and the stem 10 of the ampoule is broken off at the neck 9 whilst the head portion 2 is folded back by means of the hinge strips 3.
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Griffin Christopher J.
O'Brien Gerard M.
Ogden Brian L.
Verbelyi Nicholas B.
Dexter Clark F.
The Wellcome Foundation Limited
Watts Douglas D.
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