Abstract:
The invention involves providing a pair of devices or samplers for obtaining different samples of a hot liquid, such as molten metal.

Description:
BACKGROUND 
     This application is a Division of my application Ser. No. 595,155 filed on July 11, 1975, now U.S. Pat. No. 4,002,073. 
    
    
     A multitude of Patents have issued relative to obtaining samples of molten metal and quite a number appear to have utilized certain of the technology disclosed in some of my Patents, such as for example, U.S. Pat. No. 3,415,124 dated Dec. 10, 1968 and U.S. Pat. No. 3,415,125 dated Dec. 10, 1968; at least to the extent of utilizing a pair of half sections which are constructed to provide a primary chamber for receiving a sample and a refractory tube carried by the sections for receiving molten metal for flow into the chamber. 
     The devices of the subject invention generally embody the above components and include certain additional elements with respect to design and construction as will appear hereinafter. 
     OBJECTIVES 
     One of the important objectives of the invention is to provide an elongated device comprising, among other things, an elongated casing, a support therein, wall structures which forms a primary chamber and a tubular extension constituting what may be termed one extremity of the device which is supported by the casing, a pair of telescopically connected refractory tubes which are communicatively connected to the chamber and may be considered to be an opposite extremity of the device which is carried by the support. Otherwise expressed, the opposite extremites of the device are preferably respectively supported by the casing and support at only longitudinally spaced locations within the confines of the casing whereby to assist in mounting the components in their correct operative relation to provide a stable device for use. 
     A significant objective of the invention is to provide a device of the above character which is preferably mounted in one end of an elongated housing or tube in such a way that after a sample is obtained the device may be readily released from the housing. 
     A particular object of the invention is to provide a device in which the half sections are provided with heat dissipating means and in which heat dissipating means of a different character is disposed in the casing and about portions of the device whereby to expedite and promote uniform cooling of the sample received. 
     Also, an object is to provide structure comprising an elongated casing and a pair of dissimilar devices which are secured in the casing in a unique manner. 
     A specific object is to provide a device which includes an improved form of a shield or protector for the entrance end of the device. 
     A specific objective is to provide a device of a particular shape or configuration whereby to facilitate entry of the device into a mass of molten metal and which minimizes erruption or splash when the device is introduced into the mass. Otherwise expressed, the device is rectangular cross-section compared to one which is round and offers appreciably less resistance to penetration of the molten metal and a sheath and/or shield substantially prevents erruption or splash, thereby affording protection to an operator. 
     Additional objects and advantages of the invention will become apparent after the description hereinafter set forth is considered in conjunction with the drawings annexed hereto. 
    
    
     DRAWINGS 
     In the drawings: 
     FIG. 1 is a horizontal section of a device or structure having a pair of different receiving means for obtaining different forms of samples; 
     FIG. 2 is a transverse section taken substantially on line 2--2 of FIG. 1; and 
     FIG. 3 is a perspective view of a sample obtained from one of the receiving means of FIGS. 1 and 2. 
    
    
     DESCRIPTION 
     The structure is generally designated 110 and is exemplified in FIGS. 1 and 2 whereby different forms of samples may be obtained at substantially the same time. More particularly, the structure 110 comprises, among other things, a device or receiving means generally designated 111 for obtaining a sample, for example, similar to the sample shown in FIG. 13 and a device or receiving means generally designated 112 which serves to obtain a sample, for example, as shown in FIG. 3. 
     The devices 111 and 112 are preferably secured in a side-by-side relation within the confines of a tubular casing 113, the latter of which is like the casing 40 of the device 3. This casing is surrounded by a housing 114 and the latter by an outer metal jacket or sheath 115 which respectively correspond to those of device 3. 
     The device 111 comprises a pair of half sections 116, a pair of telescopically connected refractory tubes 117 and 118, and a sleeve 119, substantially square in cross-section and constructed of pasteboard is preferably disposed about the outer tube 118 and tubular formation of the half sections. Fibrous insulating material 120 is disposed in the casing 113. A support or member 121 is provided with a round opening 122 through which the outer tube 118 extends for support and its outer face is preferably located in a flush relation to the outer marginal end edges of the casing, housing, and sheath, and a shield 123 is secured against the aforesaid face and edges and is provided with a pocket or recess 124, which, as shown, receives the outer end of the outer tube 118. The sheath including the shield, as above referred to, penetrate the molten metal through the layer of scum and the shield disintegrates so that some of the molten metal may flow into the tubes 117 and 118 for reception in the primary chamber and secondary chambers formed by the half sections. 
     The device 112 preferably comprises an inner elongated refractory tube 125 and an outer refractory tube 126 having an inner extremity fitted over the outer end of the inner tube and an outer extremity which projects beyond the inner tube 125 to provide an enlarged cylindrical entrance 127 which initially receives the molten metal. The support 121 is provided with a round opening 128 through which the outer tube extends for support and the shield 123 is provided with an additional pocket or recess 127&#39; for receiving the outer end of the outer tube, the latter of which extends a short distance in advance of the member 121 whereby to facilitate entry of the molten metal into the entrance 127. 
     The tubes 125 and 126 are secured in a casing 129 which is preferably square in cross-section and made of pasteboard. As shown in FIG. 2 an outer side of casing 129 engages one inner side of the casing 113 and an inner side of the casing 129 engages one side of the sleeve 119 and the heat dissipating means on the inner face of one of the half sections. An opposite side of the sleeve 119 engages an opposite side of the casing 113 and the heat dissipating means on the other half section engages an opposite side of the casing 113. The diametrically opposed peripheral surfaces of the enlarged or head portions of the half sections also engage opposed inner parallel surfaces of the casing 113, all for the purpose of locating and stabilizing the positions of the components. It should be noted that the casing 129 has an inner end provided with internal portions 129&#39; which define a vent and stops for the tubes and that the wool 120 is located in the inner extremity of the casing 113 and is common to the devices 111 and 112 whereby to minimize outflow of metal therefrom. The sleeve 119 and casing 129 assist in holding certain of the components assembled and also serve as buffer means. 
     SUMMARY 
     In view of the foregoing it should be manifest that the various devices embody improved principles of design and construction whereby samples of molten metal can be expeditiously obtained. Of particular significance is the fact that the subassemblies or units of the devices are substantially supported only at their extremities but firmly in order to stabilize the units in a casing for use. 
     Having thus described my invention, it is obvious that various modifications may be made in the same without departing from the spirit of the invention, and therefore, I do not wish to be understood as limiting myself to the exact forms, construction, arrangements, and combinations of parts herein shown and described.