Blending device for blending a sample in a sealable bag
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01F-011/00
B01F-015/00
B01F-007/00
B01F-003/08
출원번호
US-0438549
(2017-02-21)
등록번호
US-10207234
(2019-02-19)
우선권정보
GB-1217488.4 (2012-09-28)
발명자
/ 주소
Ray, Stuart
Matthews, Geoffrey
Patrick, John
출원인 / 주소
Seward, LTD.
대리인 / 주소
Kim, TaeSoo Sean
인용정보
피인용 횟수 :
0인용 특허 :
6
초록▼
A blending device (2) for blending a sample held in a sealable open mouthed sample bag comprises a bag receiving portion (6). The blending device (2) also includes a kneading arrangement (20) for acting on a wall of a sample bag (8) disposed in the bag receiving portion (6) so as to blend a sample c
A blending device (2) for blending a sample held in a sealable open mouthed sample bag comprises a bag receiving portion (6). The blending device (2) also includes a kneading arrangement (20) for acting on a wall of a sample bag (8) disposed in the bag receiving portion (6) so as to blend a sample contained in the bag (8). A bag manipulation arrangement (13) or a bag support (28) may also be provided.
대표청구항▼
1. A blending device for blending a sample held in a sealable open mouthed sample bag, the device comprising; a bag receiving portion for receiving a sample bag carrying the sample,a kneading arrangement for acting on a wall of the sample bag disposed in the bag receiving portion so as to blend a ca
1. A blending device for blending a sample held in a sealable open mouthed sample bag, the device comprising; a bag receiving portion for receiving a sample bag carrying the sample,a kneading arrangement for acting on a wall of the sample bag disposed in the bag receiving portion so as to blend a carried sample, anda bag manipulation arrangement including a holding arrangement for holding the sample bag in an open position whilst in the bag receiving portion,wherein the holding arrangement comprises a first abutment member and a second abutment member for abutting against the wall of the sample bag in use so as to hold the sample bag, the first abutment member and the second abutment member being arranged to be movable relative to one another, wherein the holding arrangement comprises a driving arrangement for driving the first and second abutment members relative to one another so as to decrease a distance between the first and second abutment members,and wherein the first and second abutment members are arranged such that when the distance between the first and second abutment members decreases, a first wall of the sample bag that is abutted by the first and second abutment members will tend to bend or distort away from a second wall of the sample bag into a ripple or wave shape, whilst the second wall of the sample bag remains flat, such that the top portions of the walls of the bag become spaced from each other, thereby opening the sample bag so that the sample bag accepts additional material. 2. The blending device as claimed in claim 1, the bag manipulation arrangement comprising a sealing arrangement for sealing the sample bag disposed in the bag receiving portion, the sealing arrangement comprising two sealing members defining a sealing region in which material of the bag is clamped to effect sealing. 3. The blending device as claimed in claim 1, in which the holding arrangement is arranged for movement relative to the bag receiving portion between a retracted position in which the holding arrangement is spaced apart from the bag receiving portion and an extended position in which the holding arrangement is located adjacent the bag receiving portion for holding the sample bag disposed in the bag receiving portion. 4. The blending device as claimed in claim 1, in which the bag manipulation arrangement comprises a mounting arrangement to which the holding arrangement is mountable, and a controlling arrangement coupled to the mounting arrangement for controlling movement of the holding arrangement relative to the bag receiving portion between retracted and extended positions. 5. The blending device as claimed in claim 1, in which the driving arrangement comprises a plurality of arms, wherein the first abutment member is located towards an end of a first arm and the second abutment member is located towards an end of a second arm. 6. The blending device as claimed in claim 5, in which the driving arrangement comprises cam arms, the first abutment member being mounted to the first arm by a first cam arm and the second abutment member being mounted to the second arm by a second cam arm, wherein at least one of the first cam arm and the second cam arm is pivotally mounted to the respective arm. 7. The blending device as claimed in claim 6, in which the first abutment member comprises a first roller and the second abutment member comprises a second roller, at least one of the first and second rollers being rotatably supported on one of the respective arm and the respective cam arm. 8. The blending device as claimed in claim 1, in which the bag manipulation arrangement is resiliently abuttable against the wall of the sample bag when the sample bag is disposed in the bag receiving portion. 9. The blending device as claimed in claim 1, in which the abutment members are configured to move asymmetrically when the abutment members are abutting the wall of the sample bag when the sample bag is disposed in the bag receiving portion. 10. The blending device as claimed in claim 1, in which at least one of the first abutment member and the second abutment member comprises a friction enhancing material for enhancing friction between the respective abutment member and the wall of the sample bag as to minimize slipping of the first and second abutment members against the wall of the sample bag. 11. The blending device as claimed in claim 10, wherein the friction enhancing material comprises a plastic based paint. 12. The blending device as claimed in claim 5, in which the first arm and the second arm are pivotally mounted to the mounting arrangement such that they are relatively movable thereto between a first position and a second position, wherein the abutment members are spaced further apart from one another in the first position than in the second position, and in which the driving arrangement comprises at least one arm biasing arrangement for biasing at least one of the first arm and the second arm towards the first position. 13. The blending device as claimed in claim 4, in which the mounting arrangement is slidably movable relative to the bag receiving portion under control of the controlling arrangement so as to control movement between the retracted position and the extended position. 14. The blending device as claimed in claim 5, in which the driving arrangement comprises a lever arm, wherein the first arm and the second arm are coupled to the level arm, the lever arm being pivotally mounted to the mounting arrangement such that pivoting of the lever arm relative to the mounting arrangement is configured to cause the first and second arms to move between a first position and a second position, wherein the abutment members are spaced further apart from one another in the first position than in the second position, and wherein an arm biasing arrangement is coupled to the lever arm and configured to bias the first arm and the second arm towards the first position. 15. The blending device as claimed in claim 14, in which the driving arrangement comprises a trigger arm, wherein the trigger arm is provided towards one end of the lever arm, the trigger arm being pivotally coupled to the lever arm such that the trigger arm is movable between a rest position and a rotated position, wherein relative pivotal movement between the trigger arm and the lever arm has a defined end point at the rest position beyond which the trigger arm will not pivot relative to the lever arm further in a first pivotal direction, and wherein the driving arrangement comprises a trigger biasing arrangement for biasing the trigger arm in the first pivotal direction towards the rest position. 16. The blending device as claimed in claim 4, in which the mounting arrangement comprises a first mounting portion and a second mounting portion arranged for relative movement between the first mounting portion and the second mounting portion, the holding arrangement being provided on the first mounting portion, and the second mounting portion comprising a coupling arrangement for coupling movement of the controlling arrangement to the holding arrangement, and in which the mounting arrangement is arranged such that movement of the second mounting portion in a first direction relative to the first mounting portion causes the coupling arrangement to cause the driving arrangement to move from a first position to a second position, wherein the abutment members are spaced further apart from one another in the first position than in the second position, and such that movement of the second mounting portion in an opposite second direction relative to the first mounting portion causes the coupling arrangement to cause the driving arrangement to move from the second position to the first position. 17. The blending device as claimed in claim 1, in which the bag manipulation arrangement comprises a guide portion for guiding a portion of the wall of the sample bag. 18. The blending device as claimed in claim 1, in which the blending device comprises a diluent dispensing arrangement comprising a reservoir for receiving a source of diluent, a dispensing nozzle and a fluid connection path between the reservoir and the dispensing nozzle, wherein the dispensing nozzle is arranged for dispensing diluent towards the bag receiving portion. 19. The blending device as claimed in claim 4, in which the blending device is arranged such that relative movement of the mounting arrangement and the bag receiving portion towards one another seals the bag disposed in the bag receiving portion, in which the mounting arrangement comprises a first sealing member and the bag receiving portion comprises a second sealing member, the first and second sealing members being arranged to cooperate for sealing the bag, and in which one of the first sealing member and the second sealing member comprises at least one projecting portion and the other of the first sealing member and the second sealing member comprises at least one complementary receiving recess to provide a convoluted sealing region into which material of the bag will be drawn during clamping so tending to draw a remainder of the bag towards the first and second sealing members. 20. The blending device as claimed in claim 1, comprising a control system for controlling operation of the blending device, wherein when the sample bag containing the sample is disposed in the bag receiving portion, the control system is configured to control a complete blending operation, and wherein the control system controls the bag manipulation arrangement for acting on the sample bag disposed in the bag receiving portion. 21. The blending device as claimed in claim 20, in which the control system comprises at least one of a programmable and user operable control. 22. The blending device as claimed in claim 1, in which the kneading arrangement comprises at least one reciprocating paddle arranged for acting on the wall of the sample bag disposed in the bag receiving portion, the paddle comprising a paddle arm arranged for mounting the paddle to a reciprocating mechanism, the paddle arm comprising a paddle arm mounting arrangement arranged such that the paddle is replaceably mountable to and removable from the reciprocating mechanism by a user. 23. The blending device as claimed in claim 22, in which one of the paddle arm mounting arrangement and a portion of the reciprocating mechanism comprises a protrusion, and the other of the paddle arm mounting arrangement and a portion of the reciprocating mechanism comprises a recess, the protrusion being arranged to be receivable into the recess for mounting the paddle to the reciprocating mechanism.
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이 특허에 인용된 특허 (6)
Hedenberg Gunnar (Grundsund SEX), Apparatus for automatically making of food products such as bread, cakes and the like.
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