5; Fig. We are experienced manufacturer of Metal DIES AND MOULDS FOR HYDRAULLIC AND MECHANICAL PRESS MACHINES atAhmedabad, Gujarat. The inner end section I', Fig. An overall length of 14 inches for the finished articles was adopted as the "standard" size for general manufacture. 5 is a plan view of the welded assembly, and showing the end of the handle cut back for forming a hook; Fig. 4 to form a narrow hook extension 8 and an opening 9 for hanging the utensils upon wires and hooks. & Terms of Use. Fig. The butt welds are readily made since the parts to be joined have the same crosssection at each weld and therefore all may be made under the same working conditions. In the drawings, the reference numeral I identifies a length of bar stock of steel that may be of round, oval or other cross-section but which is preferably substantially rectangular with rounded. In the actual manufacture of stainless steel utensils, the metal’s versatility permits it to be formed into a wide variety of attractive and functional shapes, limited only by the imagination of the designer or the desires of the consumer. Also, to meet decorator demand for color in cookware, manufacturers are producing cookware with porcelain enamel exteriors on stainless steel. Our production of flatware items requires a complete arsenal of cutting & stamping tools. In the manufacture of kitchen utensils from steel, the process which comprises longitudinally grading a piece of bar stock of initially uniform transverse cross-section to form a handle blank having a thin relatively wide outer end and a thicker narrow inner end, providing a flat head blank having an inner projection of substantially the thickness of and for attachment to the inner end of the handle blank, grading the head blank to reduce the thickness towards the outer edge, butt welding the blanks to each other, die stamping the head blank to the shape and form of a utensil, and grinding the assembly to smooth the weld joint and irregularities. Here are the six most important steps in the manufacturing process of a stainless steel product: 1) Melting and Casting. SONEPAT, HARYANA IN Alibaba.com offers 608 stainless steel utensil manufacturing machines products. Bottom clad utensils are formed with solid stainless or three-ply, and copper is plated to the bottom or aluminum is applied to the bottom by casting, bonding or metal spraying. Identify stainless steel utensils manufacturing companies based on their former customers and proven specialization. A further object is to provide a process, as stated above, by which the handle length of the finished article may be varied by cutting back a part of the ungraded section of a handle blank or by welding sections of the handle stock material between the graded handle and the graded head blanks. Address. Only a single and relatively small die for each utensil type is required by the present process as the handles for all utensil types and sizes are made from bar stock and welded to the head blanks. The bowl is cross rolled between two pressurized rollers to produce a thinner section. 6. Objects of this invention are to provide novel processes for manufacturing long handled kitchen utensils, the processes being characterized by the use of relatively heavy steel stock and the selective grading of the heavy stock to reduce the thickness where strength is not necessary. +44 (0)1444 472 300 [email protected] English This invention relates to methods of manufacturing kitchen utensils, such as spoons, forks, ladles and the like. There are some stainless steel utensils with nonstick interiors. Content: Prestige Xclusive Stainless Steel Cookware Build Your Kitchen Set (Kadai 220 mm Dia with Lid - 1U, Fry Pan 220 mm Dia - 1U, Casserole 220 mm Dia - 1U) To Be Sold As A Complete Pack Only and Not To Be Sold Separately Net Quantity: 3 Unit ... Manufacturing ⦠Cleanroom and Laboratory Utensils. © 2020 Smart Kitchen, LLC. Appearance is an important consideration in the selection of cooking utensils. An Sobject is to provide a process of manufacturing kitchen utensils from steel by cutting handle and head blanks from bar and thick sheet stock, grading the blanks except at the parts that are to be joined, welding the graded parts, die shap3- ing the head blank to the desired utensil, and finishing the article by grinding or polishing. © 2004-2020 FreePatentsOnline.com. The usual practice has been to die stamp a blank from a relatively thin sheet of stainless steel, and to press the blank to final shape. Stainless steel has been used in the manufac& ture of pots, roasters and other articles for kitchen use but the prior methods of manufacturing spoons and other long handled articles from stainless steel have been expensive and, in general, have not produced highly satisfactory articles. Pharma Hygiene Products range of stainless steel cleanroom and laboratory utensils are crevice and pit free and polished throughout.. Our standard range of whisks, Ladles and light duty scoops are available in 304 grade stainless steel with spatulas, scrapers and many other scoops available in 316L although minimum order quantities may apply. The end portion I' of blank I is not worked by the grading rolls, the portion la is worked by grading surfaces A of the rolls to decrease the thickness and increase the width of the blank, and the outer handle section Ib is worked by grading surfaces B to roll this portion to a wide thin strip. Stainless Steels have been classified into five categories based on their different composition and manufacturing process involved. Stainless steel bakeware is usually fabricated from sheets of solid stainless steel. stainless steel utensils manufacturing machine YQ32 series stainless steel utensils manufacturing machine is one type of hydraulic press machine. Two pairs of plates, each with the backing steel outside and cladding metal inside are matched together to form a composite assembly and then sealed along the edges by welding. 15 is a plan view of a utensil blank having an extra length handle; and. corners. The graded handles and graded heads are then butt welded, as indicated by the weld metal 7 in Fig. Stainless steel kitchenware is manufactured in certain cities in India. The utensils are finished by grinding to remove any irregularities and polishing. 5-7, is preferably employed when spoons, dippers, ladles and the like are to be formed. 6 is a transverse section through the graded head blank on line 6-6 of Fig. Find here directory of stainless steel serving utensils manufacturers, ss serving utensils suppliers and exporters. The invention is particularly useful when stainless steel utensils are to be manufactured but it will be apparent that the invention is not limited to a particular material for the stock. The other metals improve the utensilâs heat conductivity. The handle blanks were cut from rectangular bar stock about /2 inch wide and A inch thick. Part of understanding how to work with different types of stainless steel is knowing how theyâre made and how they can be modified. Longitudinally graded head blanks are used for cake turners 13 and similar articles but may be used for deep bowled utensils where maximum strength is not essential. 4 is a plan view of a set of graded handle and head blanks in position for welding; Fig. Privacy Policy 2 Through a series of rolling operations, these blanks are graded or rolled to the correct thickness and shapes required by the manufacturer's flatware patterns. Handles of less than the usual standard length may be made by cutting off a part of the inner end of the graded handle blank, Fig. Intense heat is applied rigorously for a period of 8 to 12 hours during this step. A wide variety of stainless steel utensil manufacturing machines options are available to you, generation. This invention relates to methods of manufacturing kitchen utensils, such as spoons, forks, ladles and the like. 8 and 9. Handles having an outer portion about one inch wide and about A inch thick are quite satisfactory as to comfort and convenience in use, and stainless steel provides ample strength for this cross-section. With the help of an in-house team, we manufacture all our products. The major manufacturing hubs are Delhi, Kundli, Jodhpur, ⦠6, by cutting off the ungraded inner end section 1', or the length may be increased by inserting the additional bar stock 14 between the handle and head blanks. 2. The slabs are then rolled on a reversing four high mill to gauges between 65 and 25mm. 4.The machine ejection cylinder as the piston cylinder, ejection cylinder installed in the workbench. 7 is a side elevation of the welded assembly 5, after grinding off the weld but before the shaping of the head and handle; Fig. The head blank is cut or stamped from heavy sheet stock of the same material and, preferably, of the same thickness as the bar stock of the handle. All rights reserved. The manufacture of stainless steel involves a series of processes. And supplier of edge beading machine, edge cutting machine, press machine and steel ⦠Stainless Steel utensils manufacturing in India. Each spoon, for instance, must be thick at th⦠It has been customary to flare the outer ends of the handles or to build up the handle thickness but an investigation of utensils of about 12 inch length and longer has shown that the flat parallel-sided handle is more convenient and comfortable to the hand and that the length of the handle has little or no influence upon the shaping of the handle cross-section for maximum comfort. The handle and head blanks may be graded either before or after the parts are welded to each other. The 12 inch length utensils can be made, 40: as indicated in Fig. These shown stainless steel serving utensils manufacturing companies are well known for quality products export. The resulting combinations are described as two-ply, three-ply, three-ply/bottom clad, five-ply/bottom clad and five-ply, seven-ply and even nine-ply, depending on the manufacturer and the desired characteristics of the cookware. The other metals improve the utensil’s heat conductivity. 2068] Utensils are mainly manufactured by small and medium enterprises spread across various clusters in India and provide employment to sizeable workforce. The invention reduces the cost of manufacture of any one utensil of a given size and handle length, and this advantage of economy in production increases materially when various types of utensils are to be made in the same or in different handle lengths. The maximum spacing of the grading surfaces is substantially equal to the thickness of the handle blank I, and the stop 6 against which the blank is placed is substantially closer to the axial plane of the rolls than the length of the handle blank. In the manufacture of kitchen utensils, the process as claimed in claim 2 in combination with the step of side grading the head blank to provide a thick central section tapering to thin side edges. In the manufacture of kitchen utensils from steel, the process which comprises cutting off a length of bar stock of uniform transverse crosssection, working down said length of bar stock to form a handle blank having a thin relatively wide outer end and a thicker narrow inner end, forming a steel head blank with an inner end of substantially the thickness of the inner end of the handle blank, working the head blank to reduce the thickness towards the outer edge thereof, butt welding the inner ends of said blanks to each other, shaping the head blank to the size and form of a utensil, and surface finishing the assembly to smooth the weld joint and irregularities. But the cooking surface is most often stainless steel, where ease of cleaning and protection of food quality are most important. 5. The invention is not limited to any particular dimensions but the following data is given as illustrative of appropriate dimensions. Main structure 1.The main oil cylinder of machine is piston cylinder, nominal pressure is realized by the main cylinder, and oil cylinder connected with the slider. The process steps may include: The process starts with Blank preparation by Punching from coil or flat sheet. Various manufacturing processes are used to combine stainless steel with these ⦠The outer ends of the handle blanks are graded to reduce their thickness and to increase their width and length. 9 is a side elevation of the kitchen spoon; Figs. The process is cutting and then bending. STAINLESS STEEL UTENSILS - Project Report - Manufacturing Process - Cost - Investment Required. STAINLESS STEEL UTENSILS [CODE NO. 7 to form a serving fork; Fig. Either of these attractive finishes blends well with all colors and periods of kitchen décor. Richwell International represents a homegeneous group of factories manufacturing stainless steel. The blank is then made to the 449-450, HSIDC, EPIP KUNDLI,DISTT. 7. During its tenure, stainless steel have made its presence everywhere, from a small pin to an aeroplane, all have stainless steel embedded in them in one form or another. 3 is an enlarged transverse section of the handle blank as seen on line 3-3 of Fig.
Because it combines easily with other natural elements, aluminum may stain when it contacts minerals in water and foods. In a few instances, this arrangement is reversed with the stainless steel on the outside and a nonstick surface applied to the interior. It includes Casting of stainless steel, Hot rolling, Annealing, Descaling, Finishing and Further treatments. Some of the grinding operations, for example, the grinding of the hook ends of the handles, may be performed before the utensil is stamped into its final form. 8 is a plan view of a finished kitchen spoon, the dotted lines indicating an alternative shaping of the blank of Fig. & Terms of Use. The raw materials that constitute a stainless steel item are placed together and melted in a giant electric furnace. Such blanks will be used for cake turners, forks and other utensils, but side grading to form blanks 2b, Figs. 15. Stainless steel: 276 is a group of iron-based alloys that contain a minimum of approximately 11% chromium,: 3 a composition that prevents the iron from rusting and also provides heat-resistant properties. 14 is a diagrammatic vertical section illustrating grading rolls for the formation of the graded handle; Fig. First, the steel is melted, To make stainless steel, the raw materialsâiron ore, chromium, silicon, nickel, etc.âare melted together in an electric furnace. 4. Only the thin outer end of the handle blank is punched to form the hook and hole, and the head blanks are graded to thin sections, commensurate with those of prior practice, before the head blanks are punched. LTD. Stainless steel finds many applications in the manufacture of kitchen utensils. 16 is a similar view showing a utensil blank set for forming a short handled article. In the manufacture of kitchen utensils, the process which comprises cutting from a steel plate a head blank of approximately rectangular form terminating in a narrow centrally located projection at one end for attachment to a handle blank, working the head blank to reduce the thickness thereof from the projection end thereof towards its outer end, working a handle blank of steel bar stock of initially uniform ⦠In the manufacture of kitchen utensils, the process as claimed in claim 2, in combination with the step of welding between the handle and head blanks an extension blank of substantially the same cross-section as the inner end of the handle blank, thereby to provide a long handled utensil. Five-ply/bottom clad utensils are made by the three-ply process, with two clad layers on the bottom. This step usually involves 8 to 12 hours of intense heat. These products are of immense daily use in the household and hence there is a large market base in India with more than 250 million households. For machine-made spoons, the basic shape is cut out from a sheet of stainless steel. WemanufactureDiesMoulds for stainless steel Kitchenwareâs, kitchen sink, Compartmentplates, foodcontainer, gastronome food pan and Deep drawing Dies. A choice of high polish or satin finish is normally available on stainless steel ware. All rights reserved. The general shape of the finished handle of various types of utensils will be substantially identical with that of the handle 10 of the serving spoon shown in Figs. Principle of Thermal Insulation The vacuum insulated stainless steel bottle is generally a container made of stainless steel and a vacuum structure. The other alternative of riveting wooden strips or other pads upon the thin metal handles was unsatisfactory as it was difficult to keep such composite articles clean. Three-ply utensils have stainless steel on both the inside and outside surfaces with a layer of copper, carbon steel or aluminum forming the core. The head blank includes the main section 2 of approximately rectangular form which tapers down to a projecting portion 3 that is preferably of the same cross section as the handle blank I. We manufacture kitchen utensil and tiffin boxes. Each group member has expertise in its own area of manufacture. The welding is performed to protect the corrosion resistant alloy from possible contamination by exposure to atmosphere during heating before rolling. Though there are more than 6000 manufacturers, these are concentrated in these cities. The prior processes required a separate die for stamping a complete blank for each utensil and for each handle length in the same type of utensil. The outer end of the handle blank is cut and/or punched along dotted lines x of Fig. Various manufacturing processes are used to combine stainless steel with these other metals. Here we will show you the manufacturing process of vacuum insulated stainless steel water bottles step by step in detail to help you understand. A ladle 12 of graded cross-section is shown in Figs. Two-ply utensils commonly have a stainless steel interior with another metal on the exterior. 10 and 11. 10 and 11 are fragmentary plan and side elevations of a ladle; Figs. 1; Fig. 14, have grading surfaces 5 which increase in diameter over the circumferential regions A and are cylindrical over the circumferential regions B. The side-graded blanks are preferably used for such relatively large bowled utensils as dippers, ladles, skimmers and the like. I claim: 1. Top-of-range stainless steel cookware and utensils are generally made by combining stainless steel with other metals, usually aluminum, copper or carbon steel. The same welding apparatus or jigs may be used for all utensils when the weld is made before the head blank is die stamped to final shape but some or all of the shaping operations may be effected before the welding operation. Stainless steel products ranging from specialist mixers and process vessels, to standard utensils and containers for a wide variety of applications. 2 is a side elevation of the same; Fig. The head blanks were cut from s inch strips or plates. Stainless steel production gives rise to a mixture of airborne dusts and fumes, and thus presents the potential for inhalation exposure in the occupational setting. However, it is still important to be careful of temperature extremes in your manufacturing process when selecting a food-grade stainless steel ⦠Best Stainless Steel PIPE - Maven Stainless Steel is India based leading Company in Manufacturers, Exporters and Suppliers of Stainless Steel Tube with using best quality components and implementing latest technologies. 4, was about 2 inches long after the grading operation, the cross-section changed progressively to a width of 1 inch and thickness of -s inch in a flared section la about 21 inches long, and this section was continued through the end section lb of the blank. The ManufacturingProcess. 16. As indicated by dotted lines in Fig. |. 12 and 13 are fragmentary plan and side elevations of a cake turner; Fig. The bowl I of the serving spoon grades in thickness from its central plane towards the side edges, and from the handle to the tip of the spoon. 8, the same side-graded head blank may be used in the formation of a serving fork 11. Steels such as the 18% chromium-8% nickel type have been used but other steels or alloys that may be punched and rolled could be employed. About 6% of these are Punching Machines, 3% are Metal Polishing Machine, and 6% are Hydraulic Press. The deep longitudinal corrugation which was stamped in the handle to reinforce the thin metal was uncomfortable or painful to the hand when the utensils were tightly grasped. Stainless steel is considerably less likely to rust in contact with water or food products, and so reduces the effort required to maintain utensils in clean useful condition. At Rajat Appliances, the top stainless steel kitchen utensils manufacturers in India, our team of professionals keeps in what customers requirement is and then we create the innovative stainless steel products. Rolls 4, 4 for grading the handle blank I, as shown in Pig. Top-of-range stainless steel cookware and utensils are generally made by combining stainless steel with other metals, usually aluminum, copper or carbon steel.
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