Severing by tearing or breaking – Breaking or tearing apparatus – Including means to apply thermal shock to work
Patent
1981-10-30
1983-11-29
Yost, Frank T.
Severing by tearing or breaking
Breaking or tearing apparatus
Including means to apply thermal shock to work
83 80, 83100, 225 965, 241 99, B26F 300, C03B 3306
Patent
active
044176791
ABSTRACT:
An opener for an ampule having a head and a body to prevent contamination of material in an ampule from particles formed when the ampule is opened comprises at least one opening mechanism including a head holder and an annular flexible jacket situated around an end of the head holder to extend outwardly therefrom. The head holder includes a hole with a cylindrical opening at one end for receiving at least a part of the head of the ampule, and an outlet communicating with the hole. The inner diameter of the flexible jacket is almost the same as the outer diameter of the body of the ampule to be opened. The outlet of the head holder is connected to a vacuum source to inspire air through the hole. Therefore, the head and the body of the ampule are respectively located in the hole and the flexible jacket, and then the body is bent, so that the particles formed by thereby snapping apart the ampule are inspired with air into the vacuum source.
REFERENCES:
patent: 3552083 (1971-01-01), Andersen et al.
patent: 4353869 (1982-10-01), Guth
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