Automatic sampling system
First Claim
1. A sampling system comprising:
- (a) a tube assembly mounted in a member, said member formed of two parts;
a resilient part having an upper dome-shaped end, a lower end and provided with a stepped, internal bore extending concentrically therethrough, said resilient part also having an externally-threaded upper portion near said dome-shaped portion, and a rigid part having an internally-threaded cylindrical portion and a central beveled portion designed to fit over and to mesh with said externally-threaded portion and said dome-shaped portion of said resilient part;
(b) said tube assembly including an inner tube extending through and beyond said ends of said resilient part and terminating in a first end and a second end, and an outer tube concentrically spaced about said inner tube and having first and second ends, said tubes being received within said stepped bore of said resilient part, said first ends of said inner and said outer tubes being offset from one another, and said second end of said outer tube terminating in said stepped bore;
(c) said rigid part designed to compress said resilient part, particularly its said dome-shaped portion about said inner tube so as to adjust and to fix the extent of said offset of said inner tube and said outer tube first ends; and
(d) a further tube mounted in said member at an angle to and communicating with the space defined between said inner and said outer tube and having a free end.
2 Assignments
0 Petitions
Accused Products
Abstract
An automatic sampling system and method for introducing a diluted viscous sample into an instrument for analysis for trace elements. The automatic sampling system includes a tube assembly, a member for mounting the tube assembly in proper relation, means for maintaining, between sampling, the free end of the tube assembly in a cleaning solution, and means for inserting the free end of the tube assembly into a sample contained within a container. Preferably, the instrument is a spectrometer, the samples are organic and aqueous samples, such as oils, brines, sludges, plating solutions and the like, and the trace elements include wear metals and also other elements, such as calcium, barium, zinc, sodium, magnesium, boron, phosphor and the like.
54 Citations
6 Claims
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1. A sampling system comprising:
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(a) a tube assembly mounted in a member, said member formed of two parts;
a resilient part having an upper dome-shaped end, a lower end and provided with a stepped, internal bore extending concentrically therethrough, said resilient part also having an externally-threaded upper portion near said dome-shaped portion, and a rigid part having an internally-threaded cylindrical portion and a central beveled portion designed to fit over and to mesh with said externally-threaded portion and said dome-shaped portion of said resilient part;(b) said tube assembly including an inner tube extending through and beyond said ends of said resilient part and terminating in a first end and a second end, and an outer tube concentrically spaced about said inner tube and having first and second ends, said tubes being received within said stepped bore of said resilient part, said first ends of said inner and said outer tubes being offset from one another, and said second end of said outer tube terminating in said stepped bore; (c) said rigid part designed to compress said resilient part, particularly its said dome-shaped portion about said inner tube so as to adjust and to fix the extent of said offset of said inner tube and said outer tube first ends; and (d) a further tube mounted in said member at an angle to and communicating with the space defined between said inner and said outer tube and having a free end. - View Dependent Claims (2, 3)
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4. An automatic sampling system for introducing a diluted viscous sample, including organic and aqueous samples such as oils, brines, sludges, plating solutions, into an instrument for analysis of trace elements, including wear metals and other elements such as calcium, barium, zinc, sodium, magnesium, boron and phosphor, said sampling system comprising:
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(a) a tray designed to hold a plurality of sample containers and to present said containers seriatim to a sampling station; (b) a member operatively mounted adjacent said samping station, said member formed of two parts;
a resilient male part having an upper, smooth dome-shaped portion, an externally-threaded cylindrical portion near said dome-shaped portion, and a stepped bore extending concentrically therethrough, and a rigid part having a central beveled portion designed to fit over and to mesh with said dome-shaped portion and an internally-threaded cylindrical portion designed to mesh with said externally-threaded cylindrical portion of said resilient male part;(c) a tube assembly secured in said stepped bore of said member and including an inner tube having first and second ends and an outer tube having first and second ends, said outer tube being concentric about said inner tube, said inner tube extending through said member in two direction and said outer tube in but one direction, said first ends of said inner and said outer tubes being offset from one another and said second end of said outer tube terminating in said stepped bore; (d) a further tube also secured in said member at an angle to and communicating with the space defined between said inner and said outer tube and having a free end; (e) cleaning means mounted adjacent said sampling station for cleaning said first ends of said inner and outer tubes; (f) means for moving said tube assembly between an operative position and an inoperative position and also for moving said tube assembly when in said inoperative position between said sampling station and said cleaning means; (g) a mixer blade operatively mounted in spaced apart relation to and adjacent said tube assembly and designed for concurrent movement therewith between said sampling station and said cleaning means; (h) said rigid part of said member designed to compress said dome-shaped portion of said resilient part about said inner tube so as to adjust and to fix the extent of said offset between the first ends of said inner and said outer tubes. - View Dependent Claims (5, 6)
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Specification