Standard wood and metal turning equipment, including hand fed lathes, turret lathes and automatic screw machines, are suitable for turning Lucite methyl methacrylate resin. A tool used for cutting steel will perform satisfactorily. It can be...
Hendrick requests that Taunton reply to his earlier inquiries and adds a query about the height and diameter of the 10 horse boiler. Hendrick prefers their boiler to one from Salamandrine based on its lesser weight and appearance. The guarantee he...
Written on back of image: "Experimental crimpers, filament, large size. Built 1-2, 1952. Photographed March 17, 1952. These units have a common drive, 1/3 H.P. motor. Left Unit: rolls 4 1/2" diameter x 1/4" face; saddle shown is for internal work...
Written on back of image: "Large experimental filament crimper saddles. Built 1-2, 1952. Photographed March 17, 1952. 1. Saddle nearest rule: This is the first one piece bottom saddle I designed. It is stainless, has edge plates to keep the...
Written on back of image: "Jelly Roll stock feed - primarily intended for hogs hair, short, unmatted fibers. Rebuilt with 8" diameter rolls in place of the 4 1/2". Large diameter bore bottom saddle Jelly Roll dumps directly into the unit. Built...
25 of these giant new type steam locomotive for freight service are being built by the PRR to draw wartime trains of 125 loaded cars at speeds in excess of 50 mph. The new engine develops more power in its working range than any steam locomotive...
American Steel & Wire Company, subsiiary of United States Steel Corporation South Works, Worcester, Mass. One section of the course wire department, These draw blocks have a 26 inch diameter take up block and are used to draw very large wire...
Pouring a cylinder for a large steam ship at a shipyard. The finished cylinder will be 6 feet in diameter and 18 feet long. Note the laborers tilting the ladles.
Bethlehem Steel Corporation, Sparrows Point, Maryland plant blast furnace L. The water from the gas scrubbers is clarified in two 90' diameter thickeners and passes through the coolers and processed before being reused. The iron bearing slurry...
Fishing lines made of DuPont nylon monofilament are strong and durable and have low visibility in the water. The line shown here is made of special DuPont nylon developed for spinning lines. It is limper, stronger than conventional nylon lines of...
An unusual property of Lucite acrylic resin is its ability to pipe light efficiently and with very little leakage around curves (radius of the curve must be at least twice the diameter of the thickness of the rod or sheet used). This ability is...
The creation of 'Teflon' at the Richmond, Virginia Plant
Tubing 1/2 an inch, outside diameter, made from Teflon fluorocarbon resin is being extruded from the thin walled tubing extruder at the DuPont Plastics Department Mechanical Service Laboratory. Located at Chestnut Run near Wilmington, Delaware.
Table, pull type and radial circular saws similar to those used for cutting wood or metal are suitable for cutting Lucite methyl methacrylate resin. Blades with from 5 to 8 teeth per inch and no set give good results when running at a rate of about...
Vertical spindle wood shapers or routers give excellent results for both contour and step routing Lucite methyl methacrylate rein. On vertical spindle shapers, multiple blade cutters may be used. Square routing or shaping to templates, as shown,...
A technician at DuPont's pipe manufacturing plant at Tulsa, Oklahoma adjusts extrusion equipment as it produces endless footage of Delrin acetal resin pipe for ultimate use by the oil and gas industry. The two inch diameter light weight, corrosive...
Standing on a pile of many thousands of feet of Delrin acetal resin pipe, an employee of the DuPont Company's pipe plant at Tulsa, Oklahoma easily handles one hundred feet of the two inch diameter plastic pipe which will ultimately find its way...