EP0169099A1 - Abdichtende Verschlussvorrichtung für einen Behälter, speziell für einen Gefässträger für Zentrifugen - Google Patents

Abdichtende Verschlussvorrichtung für einen Behälter, speziell für einen Gefässträger für Zentrifugen Download PDF

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Publication number
EP0169099A1
EP0169099A1 EP85401128A EP85401128A EP0169099A1 EP 0169099 A1 EP0169099 A1 EP 0169099A1 EP 85401128 A EP85401128 A EP 85401128A EP 85401128 A EP85401128 A EP 85401128A EP 0169099 A1 EP0169099 A1 EP 0169099A1
Authority
EP
European Patent Office
Prior art keywords
container
cover
edge
closure device
shoulder
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Withdrawn
Application number
EP85401128A
Other languages
English (en)
French (fr)
Inventor
Fernand Barbin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jouan SA
Original Assignee
Jouan SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jouan SA filed Critical Jouan SA
Publication of EP0169099A1 publication Critical patent/EP0169099A1/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D45/00—Clamping or other pressure-applying devices for securing or retaining closure members
    • B65D45/02—Clamping or other pressure-applying devices for securing or retaining closure members for applying axial pressure to engage closure with sealing surface
    • B65D45/16—Clips, hooks, or clamps which are removable, or which remain connected either with the closure or with the container when the container is open, e.g. C-shaped
    • B65D45/20—Clips, hooks, or clamps which are removable, or which remain connected either with the closure or with the container when the container is open, e.g. C-shaped pivoted
    • B65D45/22—Clips, hooks, or clamps which are removable, or which remain connected either with the closure or with the container when the container is open, e.g. C-shaped pivoted resilient
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B5/00—Other centrifuges
    • B04B5/04—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers
    • B04B5/0407—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers for liquids contained in receptacles
    • B04B5/0414—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers for liquids contained in receptacles comprising test tubes

Definitions

  • the present invention relates to a sealed closure device, in particular for centrifuge pods, and also relates to the container provided with such a device.
  • Sealed centrifuge nacelles are known, the cover of which is screwed in the case of cylindrical nacelles or is fixed by means of screws. These devices require removing the basket from the centrifuge or using a tool to remove the tubes of treated product.
  • the opening and closing of the nacelles is possible without having to remove the latter from the centrifuge, which promotes the convenience of handling the products that the nacelles contain.
  • the nacelles being arranged so that their cover is directed towards the axis of the centrifuge.
  • the locking is effected automatically by the centrifugal force which applies the cover to the container, thus promoting the snap-fastening of the poorly closed blade.
  • the container will advantageously have a circular opening, this shape not requiring a particular positioning of the cover relative to the container and allowing a uniform positioning of the O-ring in its housing, which ensures that a good seal is obtained when closing .
  • the cover may be transparent, in order to verify, before opening the cover, that no incident has happened to the product tubes.
  • the elastic blades will advantageously be housed in grooves parallel to the axis of the container and formed on the internal wall of the latter, thus ensuring the lateral wedging of the blades.
  • a lug located at the lower part of the blades and coming into abutment against a corresponding shoulder of the container, will block any possibility of vertical translation upwards of said blades.
  • the fixing of the blades on the wall of the container will be ensured by a screw tightened in a thread provided in the thickness of the body of the container.
  • the inclination of the chamfer of the internal face of the edge of the cover is variable according to the hardness, the positioning and the size of the joint.
  • the closure device applies to a container 1, in particular what is called in the art a centrifuge basket.
  • This container has a cylindrical side wall and is open at one end.
  • the edge 2 which surrounds its opening has an annular guide surface 3 and an annular shoulder 4.
  • An O-ring 5 is placed in a groove of corresponding shape formed in the corner of the guide surface 3 and the shoulder 4.
  • the closure device comprises a cover 7 having a skirt 8 complementary to the guide surface 3.
  • the skirt 8 ensures the positioning and axial guidance of the cover 7 when the container is opened and closed.
  • the outer face 12 of the edge 9 has a concave curvature whose role will be explained later.
  • the closure device further comprises at least two elastic blades 13 fixed along the external lateral wall of the container in grooves 14 and tightened against the wall by screws 15.
  • Each blade is provided with a lug 16 which comes apply against a shoulder 17 of the container, thus blocking any possibility of vertical translation of the blades upwards, and relieving the screw 15 of any shearing force.
  • the blades 13 each have at the outer face 12 of the edge of the cover in place on the container, a fold 18 turned inward and surmounted by an oblique extension 19 (see also Figure 4). This fold 18 is intended to snap when the cover is closed on the concave curved face 12 of the edge of the cover.
  • the cover 7 is first guided axially via its skirt 8, by the annular guide surface 3 of the edge 2 of the container.
  • the raised edge 9 of the cover 7 sliding on the oblique extensions 19; causes the elastic blades 13 to flex outwards, until it has crossed the folds facing inwards 18.
  • the blades 13 are resiliently returned to their initial position and the folds 18 snap into place on the raised edge 9 of the cover, keeping the cover closed.
  • the chamfer 10 of the internal face of the edge of the cover is then applied under pressure to the O-ring 5 and the compression of the latter ensures the sealing of the cover-seal and seal-container junction.
  • the cover 7 can be removed by a simple manual pull on the oblique extensions 19 of the elastic blades in order to separate the fold 18 of the latter from the edge of the cover.
  • the latter is then elastically pushed by the seal 5 which relaxes to resume its form of rest.
  • the removal of the cover is further favored by the pressure of the oblique extensions 19, when the blades are returned to their initial position, acting laterally on the edge 9 of the cover and thus lifting the latter.
  • concentric ridges 20 arranged on the cover facilitate the exercise of manual pressure without hampering the view from the inside, and that the inclination of the chamfer 10 of the internal face of the cover is variable according to the hardness, the positioning and the size of the joint.
  • the elastic blades with hooking pleats can be fixed, no longer on the container, but on the lid by means, for example, of a rigid ring secured to the lid, supported on the edge of the latter.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Centrifugal Separators (AREA)
EP85401128A 1984-06-15 1985-06-07 Abdichtende Verschlussvorrichtung für einen Behälter, speziell für einen Gefässträger für Zentrifugen Withdrawn EP0169099A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8409435 1984-06-15
FR8409435A FR2565941B1 (fr) 1984-06-15 1984-06-15 Dispositif de fermeture etanche pour un recipient, notamment une nacelle de centrifugeur

Publications (1)

Publication Number Publication Date
EP0169099A1 true EP0169099A1 (de) 1986-01-22

Family

ID=9305092

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85401128A Withdrawn EP0169099A1 (de) 1984-06-15 1985-06-07 Abdichtende Verschlussvorrichtung für einen Behälter, speziell für einen Gefässträger für Zentrifugen

Country Status (2)

Country Link
EP (1) EP0169099A1 (de)
FR (1) FR2565941B1 (de)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR409429A (de) * 1900-01-01
FR407398A (fr) * 1909-06-22 1910-02-26 Louis Auguste Le Bourhis Nouveau dispositif de fermeture pour la stérilisation des conserves alimentaires ménagères, boites, verrines, faÏences, poteries
GB216342A (en) * 1923-06-01 1924-05-29 Waldo Edward Braden Improvements in or relating to closure means for jars
US1631522A (en) * 1925-08-25 1927-06-07 Culver Bevan Fruit Jar Company Cap-fastening means for preserving jars
US1812673A (en) * 1928-06-06 1931-06-30 Hazel Atlas Glass Co Jar closure
DE528707C (de) * 1931-07-02 Max Bergmann Dichtung, insbesondere fuer Konservenglaeser
US1935094A (en) * 1931-09-21 1933-11-14 Richard F Krause Coffee container
US3567113A (en) * 1969-03-18 1971-03-02 Us Air Force Miniature, portable, self-powered, high speed, clinical centrifuge

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR409429A (de) * 1900-01-01
DE528707C (de) * 1931-07-02 Max Bergmann Dichtung, insbesondere fuer Konservenglaeser
FR407398A (fr) * 1909-06-22 1910-02-26 Louis Auguste Le Bourhis Nouveau dispositif de fermeture pour la stérilisation des conserves alimentaires ménagères, boites, verrines, faÏences, poteries
GB216342A (en) * 1923-06-01 1924-05-29 Waldo Edward Braden Improvements in or relating to closure means for jars
US1631522A (en) * 1925-08-25 1927-06-07 Culver Bevan Fruit Jar Company Cap-fastening means for preserving jars
US1812673A (en) * 1928-06-06 1931-06-30 Hazel Atlas Glass Co Jar closure
US1935094A (en) * 1931-09-21 1933-11-14 Richard F Krause Coffee container
US3567113A (en) * 1969-03-18 1971-03-02 Us Air Force Miniature, portable, self-powered, high speed, clinical centrifuge

Also Published As

Publication number Publication date
FR2565941B1 (fr) 1987-03-20
FR2565941A1 (fr) 1985-12-20

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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

AK Designated contracting states

Designated state(s): DE GB IT NL

17P Request for examination filed

Effective date: 19860620

17Q First examination report despatched

Effective date: 19861210

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: 19880105

RIN1 Information on inventor provided before grant (corrected)

Inventor name: BARBIN, FERNAND