EP0740779A1 - Tube de mesure - Google Patents
Tube de mesureInfo
- Publication number
- EP0740779A1 EP0740779A1 EP94927897A EP94927897A EP0740779A1 EP 0740779 A1 EP0740779 A1 EP 0740779A1 EP 94927897 A EP94927897 A EP 94927897A EP 94927897 A EP94927897 A EP 94927897A EP 0740779 A1 EP0740779 A1 EP 0740779A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- measuring
- vessel
- measuring vessel
- ground
- opening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
- G01F11/003—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it for fluent solid material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
- G01F11/10—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers moved during operation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F19/00—Calibrated capacity measures for fluids or fluent solid material, e.g. measuring cups
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
Definitions
- the present invention relates to a measuring vessel or to a measure for measuring finely-ground packable material, such as ground brewing coffee, cocoa, flour, powdered sugar, gruel powder and like packable materials.
- finely-ground packable material such as ground brewing coffee, cocoa, flour, powdered sugar, gruel powder and like packable materials.
- Hand and wrist movements performed in the measuring procedure are uncomfortable for persons who are handicapped in their movements in some way, for instance as the result of wearing a supportive bandage, dressing, etc. , and because of pain or because of age, which further increases the risk of spillage from the scoop.
- the inventive measuring vessel the aim of which is to provide an auxiliary device for measur ⁇ ing finely-ground, packable and pourable material and which by virtue of its construction and the method in which it is used facilitates precise measuring of the material concerned, reduces spillage and can be handled comfortably by persons who are handicapped in their movements.
- This object of the invention is fulfilled with a measuring vessel according to Claim 1.
- Fig. 1 is an axial cross-sectional view of one preferred embodiment of the measuring vessel
- Fig. 2 is an end view of the vessel shown in Fig. 1 from beneath;
- Fig. 3 illustrates an alternative embodiment of the measuring vessel in a view corresponding to the view of Fig. 2;
- Fig. 4 illustrates an alternative embodiment of one part of the measuring vessel
- Fig. 5 is a cross-sectional view which illustrates the lower part of the vessel filled with finely-ground material.
- the measuring vessel is comprised of a tube or hollow cylinder which preferably has a round cross-section along the whole of its length, said tube being generally referenced 1 in Fig. 1.
- round is meant here a generally round form which can include both circularly rounded and ovally or elliptically rounded cross-sectional shapes.
- the measuring vessel 1 is transparent so that the quantity of material taken-up in the vessel can be read against a graduated scale 2 printed on or etched in the outer surface of the measuring vessel, and to this end is preferably made of a hard plastic material, for instance an acrylic material.
- the measuring vessel 1 is open at both ends and includes at the bottom end of the vessel a constriction 3, which may be spherical, as shown in Fig.
- the constriction 3 can be readily produced by the person skilled in the art of manufacture, by heating and forming.
- the constriction 3 has a spherical form, its radius R may be equal to the internal radius R of the straight cylindrical part of the measuring vessel.
- the constriction 3 includes an opening whose edge 4 is suitably bevelled towards the horizontal plane H at an angle ⁇ .
- the angle ⁇ may vary and will preferably lie within the range of 45-65°, preferably 55-60°.
- the opening defined by the constriction has a radius r which is about three-quarters of the inner radius R of the measuring vessel 1.
- this ratio provides a suitable balance between the ability of the measuring vessel to retain material and its resistance and tendancy of packing of the material when pressing the measur ⁇ ing vessel down to collect a measured amount of powdered material in the vessel.
- the measuring vessel 1 may alternatively have a square or polygonal cross-section (not shown) or a circular cross- section with a square or polygonal bottom opening edge 4' as shown in Fig. 3.
- the measur ⁇ ing vessel When intended for measuring small quantities of finely-ground material, such as ground brewing coffee or cocoa, the measur ⁇ ing vessel will suitably have an inner diameter of 25-30 mm, while when intended for measuring larger quantities of materi- al, such as flour for instance, may have an inner diameter of up to about 40-45 mm.
- the length of the measuring vessel may vary, although as a reference the measuring vessel of one preferred embodiment has a length of about 20 cm with an inner diameter of about 25 mm, which provides an accurate measurement of ground brewing coffee for at least ten cups of normal size. It will be understood that the measurements, radii and angles recited in the aforegoing are intended as guidelines for the person skilled in this art, and that optimal construction of a measuring vessel for respective products may result in dimensions that differ from those given above.
- the measuring vessel 1 is used to measure a portion of the material concerned by inserting the vessel vertically into the finely-ground material so that the vessel will be filled with a given quantity of said material through the opening in the bottom end of the vessel.
- the measuring vessel is repeatedly pushed down into the finely-ground material, wherewith further material will enter the tube from beneath.
- the constriction 3 functions to retain a packed column of material in this region of the vessel and the material is retained within the vessel by the frictional forces acting between the fine particles.
- a characteristic conically concave surface 6 forms on the undersurface of the packed material 5.
- the volume of this cone corresponds to the amount of material that the vessel is unable to retain when lifted out of the material. If too much material has been collected in the measuring vessel, the excess material can be caused to run out through the opening of the constriction, by knocking the vessel lightly against the wall of the storage container or against the free hand that is not holding the vessel. It has been found, however, that only a very small amount of material will leave the vessel before the characteristic conical bottom surface 6 is recreated and prevents further material from leaving the vessel. This enables the amount of material collected in the measuring vessel to be accurately adjusted in accordance with the graduated scale provided on the vessel.
- the measuring vessel is emptied by turning it generally upside down, whereupon the material is able to flow through the upper opening by virtue of the low coefficient of friction of the plastic and the ease with which the powdered material is now able to flow.
- the inventive measuring vessel is thus constructed and suitable for use by those user categories which normally find it difficult to handle conven ⁇ tional scoop measures.
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Sampling And Sample Adjustment (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
- Closures For Containers (AREA)
Abstract
Un récipient de mesure conçu pour mesurer un volume de matière finement moulue conditionnable telle que, entre autres, du café moulu, de la noix de coco et de la farine, est constitué d'un tube de mesure (1) ouvert aux deux extrémités, l'extrémité inférieure de ce dernier présentant un étranglement (3) doté d'un orifice défini par un bord (4) incliné par rapport au plan horizontal. On insère ledit récipient de mesure verticalement dans la matière finement moulue, laquelle pénètre dans ce dernier par un orifice inférieur situé dans la partie inférieure dudit récipient. Lorsque l'on remonte ledit récipient, la matière collectée reste à l'intérieur de ce dernier en raison des liaisons de frottement présentes dans celle-ci; lorsque l'on retourne ledit récipient, ladite matière s'écoule par l'orifice supérieur.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9302988A SE502349C2 (sv) | 1993-09-14 | 1993-09-14 | Genomsynligt och graderat mätkärl |
SE9302988 | 1993-09-14 | ||
PCT/SE1994/000856 WO1995008097A1 (fr) | 1993-09-14 | 1994-09-14 | Tube de mesure |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0740779A1 true EP0740779A1 (fr) | 1996-11-06 |
Family
ID=20391089
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94927897A Withdrawn EP0740779A1 (fr) | 1993-09-14 | 1994-09-14 | Tube de mesure |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0740779A1 (fr) |
AU (1) | AU7713494A (fr) |
CA (1) | CA2171346A1 (fr) |
SE (1) | SE502349C2 (fr) |
WO (1) | WO1995008097A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19836067A1 (de) * | 1998-08-10 | 2000-02-24 | Braun Gmbh | Dosiervorrichtung zum Dosieren und/oder Portionieren von Kaffeemehl oder Teeblättern |
FR2791428B1 (fr) * | 1999-03-22 | 2001-04-13 | Commissariat Energie Atomique | Dispositif et procede pour prelever des volumes precis de poudres |
ES2775587T3 (es) | 2005-10-21 | 2020-07-27 | Ericsson Telefon Ab L M | Técnica para realizar un procedimiento de acceso aleatorio sobre una interfaz radio |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB121084A (en) * | 1918-06-14 | 1918-12-05 | Louis John Riley | A Simple Device for Sampling Thoroughly and Quickly. |
US1425800A (en) * | 1920-09-25 | 1922-08-15 | Frank E Small | Measuring device |
US3058352A (en) * | 1958-01-29 | 1962-10-16 | Corning Glass Works | Volumetric glassware and method of production |
-
1993
- 1993-09-14 SE SE9302988A patent/SE502349C2/sv not_active IP Right Cessation
-
1994
- 1994-09-14 WO PCT/SE1994/000856 patent/WO1995008097A1/fr not_active Application Discontinuation
- 1994-09-14 EP EP94927897A patent/EP0740779A1/fr not_active Withdrawn
- 1994-09-14 AU AU77134/94A patent/AU7713494A/en not_active Abandoned
- 1994-09-14 CA CA 2171346 patent/CA2171346A1/fr not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO9508097A1 * |
Also Published As
Publication number | Publication date |
---|---|
SE9302988L (sv) | 1995-03-15 |
CA2171346A1 (fr) | 1995-03-23 |
SE9302988D0 (sv) | 1993-09-14 |
WO1995008097A1 (fr) | 1995-03-23 |
AU7713494A (en) | 1995-04-03 |
SE502349C2 (sv) | 1995-10-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19960229 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FR GB IE IT LI NL PT |
|
17Q | First examination report despatched |
Effective date: 20000117 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20000530 |