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US3675491A - Device for withdrawing samples - Google Patents

Device for withdrawing samples Download PDF

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Publication number
US3675491A
US3675491A US92989A US3675491DA US3675491A US 3675491 A US3675491 A US 3675491A US 92989 A US92989 A US 92989A US 3675491D A US3675491D A US 3675491DA US 3675491 A US3675491 A US 3675491A
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United States
Prior art keywords
tube
chamber
cover
rod
collar
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Expired - Lifetime
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US92989A
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Philippe Robert Guillet
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LOreal SA
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LOreal SA
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    • 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
    • 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
    • G01N1/10—Devices for withdrawing samples in the liquid or fluent state
    • G01N1/12—Dippers; Dredgers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0091—Powders
    • 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
    • G01N1/10—Devices for withdrawing samples in the liquid or fluent state
    • G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
    • 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
    • G01N1/10—Devices for withdrawing samples in the liquid or fluent state
    • G01N2001/1006—Dispersed solids

Definitions

  • a device for withdrawing samples comprises a sample chamber provided with a lid spring biassed to close the chamber.
  • the chamber is removably attached to a supporting tube by means of a collar fixed to the tube, and a rod slidably mounted in the tube cooperates with a lever attached to the lid so that the lid may be opened by operating the rod.
  • the present invention to provide an apparatus which is simple, easy to clean and may be sterilized, which apparatus is adapted to withdraw small portions at various points from a volume of liquid or a pulverized or granular mass. This technique makes it possible to ensure by analysis of the specimen withdrawn the accurate determination of an average characteristic of the mass, for example from a chemical or microbiological point of view.
  • This device is essentially characterized by the fact that it comprises a specimen chamber, which is preferably cylindrical, and is provided with a cover spring-blessed to close an orifice in the chamber. This cover is attached to an actuating arm.
  • the device also comprises a support consisting of a tube inside which a rod is slidable. The tube carries at one end a holding collar which collar grips the specimen chamber. The actuating arm of the specimen chamber cover cooperates with the rod which slides in the support.
  • the actuating arm for the cover consists of a lever, one end of which is attached to the cover and the other end of which projects into the supporting tube through an orifice therein. This latter end cooperates with the rod which slides within the tube.
  • the specimen chamber is cylindrical and comprises on its side wall a positioning pin, which pin enters a seat in the holding collar.
  • the tube which acts as the support is positioned in the same diametral plane with respect to the specimen chamber as the positioning pin and the actuating arm for the cover of the chamber swings in this plane.
  • the spring which holds the cover down on the cylindrical specimen chamber is a helical spring encircling the pivotal axis of the cover.
  • the rod which slides inside the tube constituting the support acts on the actuating means for the cover and projects from the tube at the end remote from that at which the collar is located.
  • the device according to the invention may advantageously be made of stainless steel and, in this case, may be sterilized in an autoclave. It should be noted that the support, the sliding rod, and the cylindrical specimen chamber may be easily separated from each other in order to wash these components of the device.
  • the specimen chamber when separated from its support by opening the collar thereof, may serve as a specimen holder in the laboratory, which holder is hermetically sealed and easy to open.
  • the sealing ring may be provided in the area of the collar which engages the the specimen chamber.
  • This device is operated by introducing it into the mass to be sampled.
  • the user holds in his hand the upper end of the tube and when the chamber is in the zone of the product from which a specimen is to be withdrawn, the user presses on the end of the slidable rod which projects from the tube and thus lifts the cover of the cylindrical chamber so as to permit the introduction oi the product into this chamber.
  • the cover is closed by the spring and a user may then reposition the device in the product to be sampled in order to withdraw another sample from another point.
  • the total sample obtained in this manner may accordingly represent the statistical average of the entire mass to be examined.
  • FIG. 1 is a perspective view showing a device according to the invention in the course of actuation by the user.
  • FIG. 2 is a perspective view showing the device of FIG. 1 with the specimen chamber separated from its support.
  • reference numeral 1 indicates the cylindrical specimen chamber.
  • Chamber 1 is provided with a cover 2 pivotally attached to the chamber so as to swing about a shaft 20.
  • the chamber 1, the cover 2 and the shaft 20 are made of stainless steel.
  • An actuating lever 4 is attached diametrally of the cover 2 and carries at the end thereof which extends beyond the cover a rounded protuberance 6.
  • a pin 7 In the diametral plane of the chamber 1 in which the actuating lever 4 is located, is a pin 7 which projects from the lateral wall of the chamber 1 in the central part thereof.
  • the support for the specimen chamber which has just been described consists of a cylindrical tube 8, near the lower end of which is an orifice 5.
  • the orifice 5 is positioned in the lateral wall of the tube 8 along a generatrix of the tube.
  • a collar 10 fixed to tube 8 by a connecting member 10a. 1n the connecting member is a seat ll into which the pin 7 may be inserted.
  • the actuating lever 4 is in alignment with the orifice 5.
  • the end 6 of the actuating lever 4 is positioned inside the tube 8 with the lever 4 posing through the lateral wall of the tube through the orifice 5.
  • a sliding rod 12 Inside the tube 8 is a sliding rod 12 the outer diameter of which is substantially equal to the inner diameter of the tube 8.
  • One of the ends of the rod 12 comes, when the chamber 1 is gripped by the collar 10, into contact with the rounded protuberance 6 of the lever 4.
  • the other end of the rod l2 projects outside the tube 8 and, more exactly beyond the end 9 of this tube.
  • the assembly formed by the support and its rod 12 is made of stainless steel.
  • the user then directs the chamber 1 to the zone from which he desires to take the first sample by means of the tube 8 and presses on the end of the sliding rod 12. This causes the rod to act on the protuberance 6 to actuate the cover 2 to open the chamber. The user may then direct the specimen chamber 1 to another portion of the product from which another partial specimen is to be withdrawn.
  • the apparatus may be used for products other than liquid products, for example, powdered or granular products. It may also be made entirely of a plastic material.
  • Apparatus for taking a sample comprising a specimen chamber which is provided with a cover spring-biassed against an opening in the chamber and mounted on an actuating lever, in combination with a support comprising a tube and a rod which is slidable within said tube, said tube carrying near one end a collar adapted to grip the specimen chamber, and the actuating lever carrying the cover being positioned to be operated by the slidable rod in said tube, one end of said lever being fixed to the cover and the other end of said lever projecting into the supporting tube through an orifice in one side thereof to cooperate with the rod which is slidably mounted in the tube.
  • the specimen chamber is a cylindrical chamber provided on its lateral wall with a positioning pin, said pin being positioned to enter a seat in the collar on the support.

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)

Abstract

A device for withdrawing samples comprises a sample chamber provided with a lid spring biassed to close the chamber. The chamber is removably attached to a supporting tube by means of a collar fixed to the tube, and a rod slidably mounted in the tube cooperates with a lever attached to the lid so that the lid may be opened by operating the rod.

Description

United States Patent Guillet [451 July 11, 1972 s41 DEVICE FOR WITHDRAWING [56] Reference Clted SAMPLES UNITED STATES PATENTS [72] 2222: humus be l,76l,298 6/1930 Harris..... ..73/42s.4 |,l66,7l7 l/l9l6 Rorrison ..73 425.4 [73] Assignee: LOreal, Paris, France [22] Filed: Nov 27, 1970 Pnmary Examiner-S. Clement Swisher App]. No.2 92,989
Foreign Application Priority Data Jan. l4, 1970 France ..700l23l US. Cl. ..73/425.4 R
Int. Cl. ..G0ln 1/12 Field of Search ..73/425.4
Attorney-Holcombe, Wetherill & Brisebois ABSTRACT A device for withdrawing samples comprises a sample chamber provided with a lid spring biassed to close the chamber. The chamber is removably attached to a supporting tube by means of a collar fixed to the tube, and a rod slidably mounted in the tube cooperates with a lever attached to the lid so that the lid may be opened by operating the rod.
7 Claims, 2 Dravrlug Figures DEVICE FOR WH'HDRAWING SAMPLES SUMMARY OF THE INVENTION It is often necessary to withdraw small portions from a large volume of liquid or from a mass of pulverized or granular material. These portions must correspond, as closely as possible, to a sample representing a statistical average of the characteristics of the mass being examined. Furthermore these withdrawals must be often made in a sterile manner.
it is the purpose of the present invention to provide an apparatus which is simple, easy to clean and may be sterilized, which apparatus is adapted to withdraw small portions at various points from a volume of liquid or a pulverized or granular mass. This technique makes it possible to ensure by analysis of the specimen withdrawn the accurate determination of an average characteristic of the mass, for example from a chemical or microbiological point of view.
It is the specific object of the present invention to provide a new article of manufacture which consists of a device for withdrawing material which is adapted, in particular, to be used for taking samples from at least one point in a liquid volume or a mass of pulverized or granular material. This device is essentially characterized by the fact that it comprises a specimen chamber, which is preferably cylindrical, and is provided with a cover spring-blessed to close an orifice in the chamber. This cover is attached to an actuating arm. The device also comprises a support consisting of a tube inside which a rod is slidable. The tube carries at one end a holding collar which collar grips the specimen chamber. The actuating arm of the specimen chamber cover cooperates with the rod which slides in the support.
In a preferred embodiment of the invention the actuating arm for the cover consists of a lever, one end of which is attached to the cover and the other end of which projects into the supporting tube through an orifice therein. This latter end cooperates with the rod which slides within the tube. The specimen chamber is cylindrical and comprises on its side wall a positioning pin, which pin enters a seat in the holding collar. The tube which acts as the support is positioned in the same diametral plane with respect to the specimen chamber as the positioning pin and the actuating arm for the cover of the chamber swings in this plane. The spring which holds the cover down on the cylindrical specimen chamber is a helical spring encircling the pivotal axis of the cover. The rod which slides inside the tube constituting the support acts on the actuating means for the cover and projects from the tube at the end remote from that at which the collar is located. The device according to the invention may advantageously be made of stainless steel and, in this case, may be sterilized in an autoclave. It should be noted that the support, the sliding rod, and the cylindrical specimen chamber may be easily separated from each other in order to wash these components of the device.
Finally, the specimen chamber, when separated from its support by opening the collar thereof, may serve as a specimen holder in the laboratory, which holder is hermetically sealed and easy to open. In certain cases, the sealing ring may be provided in the area of the collar which engages the the specimen chamber.
This device is operated by introducing it into the mass to be sampled. The user holds in his hand the upper end of the tube and when the chamber is in the zone of the product from which a specimen is to be withdrawn, the user presses on the end of the slidable rod which projects from the tube and thus lifts the cover of the cylindrical chamber so as to permit the introduction oi the product into this chamber. When the user releases the end of the rod, the cover is closed by the spring and a user may then reposition the device in the product to be sampled in order to withdraw another sample from another point. The total sample obtained in this manner may accordingly represent the statistical average of the entire mass to be examined.
In order that the object of the invention may be better understood, one embodiment thereof will now be described. purely by way of illustration and example, with reference to the accompanying drawing on which:
FIG. 1 is a perspective view showing a device according to the invention in the course of actuation by the user; and
FIG. 2 is a perspective view showing the device of FIG. 1 with the specimen chamber separated from its support.
Referring now to the drawing, it will be seen that reference numeral 1 indicates the cylindrical specimen chamber. Chamber 1 is provided with a cover 2 pivotally attached to the chamber so as to swing about a shaft 20. The chamber 1, the cover 2 and the shaft 20 are made of stainless steel. An actuating lever 4 is attached diametrally of the cover 2 and carries at the end thereof which extends beyond the cover a rounded protuberance 6. In the diametral plane of the chamber 1 in which the actuating lever 4 is located, is a pin 7 which projects from the lateral wall of the chamber 1 in the central part thereof.
The support for the specimen chamber which has just been described consists of a cylindrical tube 8, near the lower end of which is an orifice 5. The orifice 5 is positioned in the lateral wall of the tube 8 along a generatrix of the tube. At the end of the tube 8 near the orifice 5 is a collar 10 fixed to tube 8 by a connecting member 10a. 1n the connecting member is a seat ll into which the pin 7 may be inserted. When the pin 7 of the chamber 1 is inserted in the seat ll the actuating lever 4 is in alignment with the orifice 5. When the chamber 1 is gripped inside the collar 10, the end 6 of the actuating lever 4 is positioned inside the tube 8 with the lever 4 posing through the lateral wall of the tube through the orifice 5. Inside the tube 8 is a sliding rod 12 the outer diameter of which is substantially equal to the inner diameter of the tube 8. One of the ends of the rod 12 comes, when the chamber 1 is gripped by the collar 10, into contact with the rounded protuberance 6 of the lever 4. The other end of the rod l2 projects outside the tube 8 and, more exactly beyond the end 9 of this tube. The assembly formed by the support and its rod 12 is made of stainless steel. When the user wants to use the device which has just been described he attaches the specimen chamber 1 inside the fastening collar 10 by introducing the positioning pin 7 into the seat ll and closing the collar. The user then introduces the apparatus into the mass to be sampled, with the cover 2 held firmly against the specimen chamber l by the spring 3 on the shaft 24. The user then directs the chamber 1 to the zone from which he desires to take the first sample by means of the tube 8 and presses on the end of the sliding rod 12. This causes the rod to act on the protuberance 6 to actuate the cover 2 to open the chamber. The user may then direct the specimen chamber 1 to another portion of the product from which another partial specimen is to be withdrawn.
It is obvious that this method of operation makes it possible to obtain a specimen representing the statistical average characteristics of a particular mass. These specimens may be withdrawn in a sterile manner if one has taken the precaution of sterilizing the apparatus according to the invention before use. Moreover, the cost of such a device is relatively small and it is easy to disassemble. This makes it possible to wash the components of the apparatus as often as necessary. Finally the sampling chamber 1, when removed from its support by opening the collar, may serve as a laboratory specimen chamber.
It will, of course, be appreciated that the embodiment which has just been described has been given purely by way of illustration and example and may be modified as to detail without thereby departing from the basic principles of the invention. In particular, the apparatus may be used for products other than liquid products, for example, powdered or granular products. It may also be made entirely of a plastic material.
What is claimed is:
1. Apparatus for taking a sample comprising a specimen chamber which is provided with a cover spring-biassed against an opening in the chamber and mounted on an actuating lever, in combination with a support comprising a tube and a rod which is slidable within said tube, said tube carrying near one end a collar adapted to grip the specimen chamber, and the actuating lever carrying the cover being positioned to be operated by the slidable rod in said tube, one end of said lever being fixed to the cover and the other end of said lever projecting into the supporting tube through an orifice in one side thereof to cooperate with the rod which is slidably mounted in the tube.
2. Apparatus as claimed in claim I in which said cover is mounted to swing about a pivotal axis and the spring which biases the cover against the cylindrical chamber is a helical spring coiled about said pivotal axis.
3. Apparatus as claimed in claim 1 in which the specimen chamber is a cylindrical chamber provided on its lateral wall with a positioning pin, said pin being positioned to enter a seat in the collar on the support.
4. Apparatus as claimed in claim 3 in which the tube is positioned in the same diarnetral plane of the specimen chamber as the positioning pin and the actuating lever.
5. Apparatus as claimed in claim 1 in which the rod which slides inside the tube engages the actuating lever for the cover and projects from the end of the tube remote from the end to which the holding collar is attached.
6. Apparatus as claimed in claim I which is made entirely of stainless steel.
7. Apparatus as claimed in claim 1 which is made entirely of plastic material.
1 i i i l

Claims (7)

1. Apparatus for taking a sample comprising a specimen chamber which is provided with a cover spring-biassed against an opening in the chamber and mounted on an actuating lever, in combination with a support comprising a tube and a rod which is slidable within said tube, said tube carrying near one end a collar adapted to grip the specimen chamber, and the actuating lever carrying the cover being positioned to be operated by the slidable rod in said tube, one end of said lever being fixed to the cover and the other end of said lever projecting into the supporting tube through an orifice in one side thereof to cooperate with the rod which is slidably mounted in the tube.
2. Apparatus as claimed in claim 1 in which said cover is mounted to swing about a pivotal axis and the spring which biases the cover against the cylindrical chamber is a helical spring coiled about said pivotal axis.
3. Apparatus as claimed in claim 1 in which the specimen chamber is a cylindrical chamber provided on its lateral wall with a positioning pin, said pin being positioned to enter a seat in the collar on the support.
4. Apparatus as claimed in claim 3 in which the tube is positioned in the same diametral plane of the specimen chamber as the positioning pin and the actuating lever.
5. Apparatus as claimed in claim 1 in which the rod which slides inside the tube engages the actuating lever for the cover and projects from the end of the tube remote from the end to which the holding collar is attached.
6. Apparatus as claimed in claim 1 which is made entirely of stainless steel.
7. Apparatus as claimed in claim 1 which is made entirely of plastic material.
US92989A 1970-01-14 1970-11-27 Device for withdrawing samples Expired - Lifetime US3675491A (en)

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4227414A (en) * 1979-05-02 1980-10-14 J & M Instruments Corp. Liquid testing kit
US4869118A (en) * 1989-01-09 1989-09-26 Keller Marcella M Water retriever
US5471886A (en) * 1993-06-02 1995-12-05 Kalidindi; Sanyasi R. Unit-dose liquid sampling device and method of use
FR2747781A1 (en) * 1996-04-19 1997-10-24 Duchamp Ets Stainless steel telescopic liquid sampling rod with inclinable end tip
US5894096A (en) * 1997-08-29 1999-04-13 Kennecott Rawhide Mining Company Through-the-deck blast-hole sampler
US6035727A (en) * 1997-03-11 2000-03-14 Preston; Richard Charles Remote control sampler for grain storage bins
CN106895997A (en) * 2017-03-24 2017-06-27 同济大学 Electronic hydrophore based on underwater electromagnet
CN108007725A (en) * 2017-12-08 2018-05-08 孙江花 A kind of water quality detection sampler
CN109060429A (en) * 2018-10-23 2018-12-21 攀钢集团攀枝花钢铁研究院有限公司 Titanium dioxide sampler
CN110261533A (en) * 2019-07-25 2019-09-20 吉林工程技术师范学院 A kind of test macro for photocatalytic pollutant degradation
CN111396036A (en) * 2020-03-26 2020-07-10 熊朝柱 Method for automatically collecting rock debris for logging
CN111396037A (en) * 2020-03-26 2020-07-10 熊朝柱 A cuttings logging equipment integrated in a vibrating screen
US10801226B2 (en) * 2019-01-29 2020-10-13 Carl Capps Combination pool hook and water tester
US11221278B2 (en) * 2019-08-15 2022-01-11 Omar Briseno Sample collection device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4435327C1 (en) * 1994-10-01 1996-01-25 Wieland Werke Ag Device for removing samples from molten metal bath

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1166717A (en) * 1914-03-07 1916-01-04 Braun Corp Liquid-sampler.
US1761298A (en) * 1928-04-28 1930-06-03 Ora E Harris Combination cream and milk stirrer and sampler

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1166717A (en) * 1914-03-07 1916-01-04 Braun Corp Liquid-sampler.
US1761298A (en) * 1928-04-28 1930-06-03 Ora E Harris Combination cream and milk stirrer and sampler

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4227414A (en) * 1979-05-02 1980-10-14 J & M Instruments Corp. Liquid testing kit
US4869118A (en) * 1989-01-09 1989-09-26 Keller Marcella M Water retriever
US5471886A (en) * 1993-06-02 1995-12-05 Kalidindi; Sanyasi R. Unit-dose liquid sampling device and method of use
FR2747781A1 (en) * 1996-04-19 1997-10-24 Duchamp Ets Stainless steel telescopic liquid sampling rod with inclinable end tip
US6035727A (en) * 1997-03-11 2000-03-14 Preston; Richard Charles Remote control sampler for grain storage bins
US5894096A (en) * 1997-08-29 1999-04-13 Kennecott Rawhide Mining Company Through-the-deck blast-hole sampler
CN106895997A (en) * 2017-03-24 2017-06-27 同济大学 Electronic hydrophore based on underwater electromagnet
CN106895997B (en) * 2017-03-24 2019-12-27 同济大学 Electric water sampler based on underwater electromagnet
CN108007725A (en) * 2017-12-08 2018-05-08 孙江花 A kind of water quality detection sampler
CN109060429A (en) * 2018-10-23 2018-12-21 攀钢集团攀枝花钢铁研究院有限公司 Titanium dioxide sampler
US10801226B2 (en) * 2019-01-29 2020-10-13 Carl Capps Combination pool hook and water tester
CN110261533A (en) * 2019-07-25 2019-09-20 吉林工程技术师范学院 A kind of test macro for photocatalytic pollutant degradation
US11221278B2 (en) * 2019-08-15 2022-01-11 Omar Briseno Sample collection device
CN111396036A (en) * 2020-03-26 2020-07-10 熊朝柱 Method for automatically collecting rock debris for logging
CN111396037A (en) * 2020-03-26 2020-07-10 熊朝柱 A cuttings logging equipment integrated in a vibrating screen

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Publication number Publication date
FR2076411A5 (en) 1971-10-15
DE2059405A1 (en) 1971-07-22

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