Sample supporting device having small contact region with sample

Details Sample supporting device having small contact region with sample Sample supporting device having small contact region with sample

1989-09-08

1990-04-03

Raevis, Robert R.

Measuring and testing

With fluid pressure

Porosity or permeability

G01N 1508

Patent

active

049129643

ABSTRACT:
A sample supporting device includes a cylindrical body, a sample supporting member, and a holding ring member. The sample supporting member made of a rubbery material is detachably mounted on the holding ring member, which are detachably mounted inside the cylindrical body so as to define an airtight chamber. The sample supporting member is constructed of a cylindrical outer peripheral portion, a film-shaped separating wall, and a sample supporting hole. Then, a sample such as a cigarette is supported to measure ventillation-characteristics thereof by applying suction pressure to the separating wall so as to enlarge the diameter of the sample supporting hole.

REFERENCES:
patent: 4256314 (1981-03-01), Berglund et al.
patent: 4528841 (1985-07-01), Siems

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