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公开(公告)号：SE314230B
公开(公告)日：1969-09-01
申请号：SE1564964
申请日：1964-12-23
Applicant: TECHNICON INSTR
Inventor： FERRARI A
Abstract: 1,064,650. Liquid sample supply apparatus. TECHNICON INSTRUMENTS CORPORATION. Nov. 26, 1964 [Dec. 24, 1963], No. 48163/64. Heading B1X. A liquid sample supply apparatus comprises a carrier, for example turntable 12, for a series of liquid sample containers 18, a take-off device 24, means intermittently to move the takeoff device and the carrier relative to each other to position successive containers at the take-off device, means automatically operable in response to these positioning movements to effect vertical movement of the take-off device into and out of the containers, and means, for example tube (57) in Fig. 6 (not shown), for introducing air into the liquid in the container from which sample is being removed by takeoff tube 30. Tube 53 serves to introduce air into the liquid in the container immediately preceding the one from which sample is being removed. The liquid sample is segmented during take-off by air blown in through tube (59') (Fig. 6). Take-off tube 30 and air-tube 53 are cleaned between samples by dipping into wash-liquid in receptacles 26, 52 respectively.
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公开(公告)号：SE310275B
公开(公告)日：1969-04-21
申请号：SE1034960
申请日：1960-10-27
Applicant: TECHNICON INSTR
Inventor： FERRARI A
Abstract: 959,389. Analysing liquids; testing sugar solutions. TECHNICON INSTRUMENTS CORPORATION. Oct. 25, 1960 [Oct. 30, 1959; Sept. 27, 1960], No. 36526/60. Heading B1X A process for treating liquids for analysis wherein a stream of liquid is pumped by a flexible tube pump from a source of supply to an analysis apparatus in a conduit and a gas is introduced into said conduit to segmentize said stream is characterized in that said gas is introduced upstream of the pump. As illustrated in Fig. 1, samples from device 12 of the type claimed in Specification 834,635 are passed through line 18 into pump 10 after air from pump line 26 has been injected thereinto by means of T-junction 22. The sample is mixed with a conditioning liquid from line 30 and the mixture passed through a mixing coil to dialyser 44. A further processing liquid and air from lines 32, 34 respectively are passed through the other side of the dialyser and the dialisate is mixed with a final liquid from tube 36 before passing to the colorimeter 60 via mixing and heating coils. In Fig. 3, a system for determining the total sugar content of a liquid is illustrated. The solution enters apparatus 70 (shown more fully in Fig. 4) through line 72 and inlet 84, some of the solution overflows from a funnel-shaped port 90 and is vented at 110, an aperture 82 being provided to maintain atmospheric pressure, while a portion of the liquid is withdrawn by a line dipping into the liquid in port 90. The latter portion is segmented in accordance with the invention by air from line 76 and inlet 106 and passes through the pump 16. It is diluted with water from line 134 mixed in coil 136, a portion is vented by means of a T-junction 112, an acid (e.g. 0.25 NHCl) is added through tube 140 to invert non-reducing sugars and reaction effected by mixing (coil 142) and heating (bath 146). The mixture passes through dialyser 44 in which dialysed sugars are separated from contaminants and pass into a segmentized stream of aq. K 3 Fe(CN) 6 on the opposite side of the diaphragm. An alkali (e.g. 0.3 N NaOH) is added via line 160, mixed with the stream in coil 164 to neutralize the acid, and the mixture is then heated in coil 166 to produce a colour change as ferrocyanide is formed. The stream is passed to colorimeter 60. Specifications 774,711 and 855,555 also are referred to.
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Patent Agency Ranking
公开(公告)号：SE303621B
公开(公告)日：1968-09-02
申请号：SE1211562
申请日：1962-11-12
Applicant: TECHNICON INSTR
Abstract: 978,120. Distillation apparatus; separating fractions of a liquid mixture for chemical analysis. TECHNICON INSTRUMENTS CORPORATION. Nov. 5, 1962 [Nov. 13, 1961], No. 41672/62. Heading B1B. Liquid to be distilled is fed through tube 90 into the end of a helical passage 14 formed along the inner surface of a horizontal cylindrical vessel 12 which is rotated about its longitudinal axis on rollers 24. The lower portion of the vessel is heated by electrical heater 20. Discrete elements of the liquid pass along the vessel in the lowest sections of the helical passage. The vapours evolved from the heated liquid are drawn into tube 56 through holes 60, and then flow through line 65 into condenser 64, by the action of a vacuum pump connected to the outlet 79 of the condenser. The condensate collects in receptacle 80. The residual undistilled liquid reaching the left-hand end of vessel 12 discharges into outlet cap 44, and leaves the apparatus through outlet 52. For the separation of a liquid mixture, a number of separate vapour tubes 62, Fig. 3, are located within the tube 56, each tube 62 being connected to one of the holes 60 in tube 56 and leading to a separate condenser. The components of the liquid mixture vaporize in sequence in vessel 12, and the vapour fractions are withdrawn via the separate tubes 62. The apparatus may be used for the separation of samples for chemical analysis, e.g. in the determination of the alcohol content of beer, or the phenol content of plant effluent. Specifications 774,711, 783,649 and 834,635 are referred to.
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公开(公告)号：SE303052B
公开(公告)日：1968-08-12
申请号：SE216662
申请日：1962-02-27
Applicant: TECHNICON INSTR
Inventor： BILICHMIANSKY T , FERRARI A , ISREELI J
Abstract: 976,925. Reciprocating motors. TECHNICON INSTRUMENTS CORPORATION. Feb. 15, 1962 [March 8, 1961; Nov. 2, 1961], No. 5805/62. Heading H2A. [Also in Division B1] An electromagnetic vibratory stirrer comprises a solenoid 40, Fig. 6, energized by A.C. and having a fixed metal core 65 and a sliding plunger 60 separated by a compression spring 66. Two stirrers are formed by the lower portions 32 of an inverted U-shaped member 38 which is pivotally suspended in a hook 55 formed in a flat spring steel member 53. Another similar member 54 has a curved lower portion 58 interposed between the solenoid plunger 60 and a soft iron bar armature 61 having slotted ends 63 by which it is engaged between the arms 64 of the stirrer member 38. The solenoid is partly surrounded by a soft iron member 45, 47, 49 and has soft iron cheeks 49 1 , 50. The plunger 60 is preferably a permanent magnet (the ampere turns of the solenoid coil being kept sufficiently small to avoid de-magnetizing it), or may be of soft iron in which case the frequency will be greater and the amplitude less. Specification 834,635 is referred to.
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公开(公告)号：SE303622B
公开(公告)日：1968-09-02
申请号：SE374863
申请日：1963-04-04
Applicant: TECHNICON INSTR
Inventor： FERRARI A
Abstract: 1,018,925. Sampling liquids. TECHNICON INSTRUMENTS CORPORATION. March 20, 1963 [April 5, 1962], No. 10999/63. Heading B8N. A device for obtaining liquid samples such as in the analysis of sewage comprises a take-off tube 24 having an inlet 48 and adapted to be moved into and out of a container 14 for the liquid to be sampled, the take-off tube being provided with an additional inlet 52 arranged to feed air or other inert gas into the sample liquid in the tube in order to divide the liquid into a series of segments L each separated by a gas segment A. The take-off tube 24 and a tube 50 connected to the inlet 52 are both coupled to a pump such that as liquid is drawn into the pipe 24 from the container 14, pressurized gas is forced into the inlet 52 via pipe 50 thereby segmentizing the liquid as shown in Fig. 3; the liquid samples, which are thus prevented from contaminating each other, are then fed to an apparatus for analysis. The take-off tube 24 may be raised from or lowered into different containers mounted on a rotary table.
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