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* GB785849 (A)

Description: GB785849 (A) ? 1957-11-06

Method of making structural form ties

Description of GB785849 (A)

PATENT SPECIFICATION 785,849 a r k ' Date of Application and filing Complete Specification: Nov 9, 1955 No 32050/55. Complete Specification Published: Nov 6, 1957. Index at acceptance:-Classes 20 ( 2), 04 A; and 83 ( 4), E 9 F. International Classification:-B 23 k E 04 g. COMPLETE SPECIFICATION Method of Making Structurai Form Ties I, ROBERT CLYDE GATES, of 2105 South Kipling Street, Denver, State of Colorado, United States of America, a citizen of the United States of America, do hereby declare the invention, for which I pray that a patent may be granted to me, and the method by which it is to be performed, to be particularly described in and by the following statement: This invention relates to methods of making structural form ties and has reference more particularly to a method of making form ties of the construction shown and described in U S Patent 1,692,166 of November 20, 1928. The tie described in the above mentioned patent relates to a tie for plastic forms, which will not only tie together the two side walls of the form, but will also serve as spacer, in that means were provided on said tie, adapted to bear against the inner face of the form walls This tie has many desirable features but was not manufactured in large numbers until lately when a practical method of manufacture was invented. It is the object of this invention to disclose and claim a practical method of manufacturing the tie described in the above identified patent. In order to describe the method reference will be had to the accompanying drawing in which the products of the several steps have been illustrated in the order in which they are performed by the method. Figure 1 is a view showing a length of wire as it appears after it has been subjected to the first step of the method; Figure 2 is a top plan view showing the appearance of the wire at the end of the second step; Figure 3 is a side elevational view of the wire shown in Figure 2; and Figure 4 is a top plan view of the completed form tie. Referring now to the drawing reference numeral 10 designates a wire that has been lPrice 3 s 6 d l subjected to the first step of the method by which the ends are formed into hooks by first bending the wire at point 11 into an obtuse angle W; the wire is then bent reversely at 12 The end 13 extends at 50 right angles to the length of the wire The original length of the wire is divided into three equal lengths or approximately so, and these points are marked in some suitable manner and have been designated by numeral 55 14 in Figure 2. When the method is performed manually, the wire is reversely bent at points 14 into the shape shown in Figure 2 After this second step has been completed the ends 13 of the 60 hooks extend at right angles to the plane of the bights 15 and are located between the sides of the bights as shown in Figure 2. The wire which is now in the form illustrated in Figure 2 and 3 is then grasped at the bights 65 and the hooked ends are held in approximately the position shown in Figure 3 with the ends 13 extending equal distances on both sides of the planes of the bights The two bights are now subjected to a relative rotary move 70 ment which twists that portion between the hooked ends into a cable as shown in Figure 4 Due to the fact that the material has some resiliency the twisting is carried through more than a number of complete turns so 75 that when the torque is released the parts will turn in the opposite direction through an angular distance that brings ends 13 substantially into the same plane. What makes it possible to make these ties 80 by machine is that the ends are formed into hooks by the first step After the ends are formed into hooks the machine, when one is used, holds the ends in parallel relation and makes it possible and practical to hold the 85 hook ends perpendicular to the planes of their associated loops during the twisting operation. The discovery that the hooks must be made at the first step in the operation made 90 785,849 it possible to construct a practical machine for the automatic manufacture of the ties and it is to this feature or step of the method that this method is directed.

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* GB785850 (A)

Description: GB785850 (A) ? 1957-11-06

A new or improved vaned rotor for electric or electronic flow meters

Description of GB785850 (A)

COMPLETE SPECIFICATION A New or Improved Vaned Rotor for Electric or Electronic Flow Meters We, PIERRE EDMOND TUFFET,aFreneh citizen, of 7 Rue du Foulon, Tarbes (HauteCaronne), France, and JEAN SOULIE, a French citizen, of L'Union, (Haute-Garonne), France, do hereby declare the invention, for which we pray that a patent may be granted to us, and the method by which it is to be performed, to be particularly described in and by the following statement:- The present invention has reference to a new or improved vaned rotor adaptable to electric or electronic flow meters or counters mounted on fluid pipings. An object of the invention is to provide a vaned rotor as aforesaid having a very small weight (a few ounces) and a very reduced size while being nevertheless most accurate, thereby enabling this vaned rotor to be fitted upon appliances or plants of small volume, the rotor being interposed to that effect in pipings through which flows a gas or a liquid the rate of flow of which has to be measured and operating in conjunction with electric or electronic flow meters. According to the invention, the improved vaned rotor which is driven by the stream of fluid flowing through the piping is characterized by the fact that it is rotatably mounted about an asis coinciding with the longitudinal axis of the piping and further characterized that the fact that it is provided with at least one transparent transverse part extending therethrough, a source of rays emitting a beam of rays directed athwart the piping axis, and means sensitive to these rays and adapted to be energized every time said transparent transverse part of the rotor is interposed between said source of rays and said sensitive means, for computing or reeording-the number of revolutions effected by the rotor per unit of time and consequently the rate of flow of the fluid which drives the same. According to a preferred constructional form, the rotor is provided along its transverse axis with a bore in which is housed a core made of a transparent material forming the said transparent transverse part of the rotor. The record may reach an extreme degree of accuracy since the rotor has but a very small inertia and the interception of a light ray does not absorb any appreciable quantity of energy. The improved rotor according to the invention, also the detailed manner in which it can be interposed in a fluid piping will be now described more in detail with reference to the accompanying drawing which shows by way of example a suitable embodiment of the invention. The single figure which constitutes the drawing is partly a diametrical sectional view of the improved rotor as it is interposed between two sections of a piping through which a gaseous or liquid fluid flows, the rate of flow of this fluid having to be measured. As illustrated, 1 designates the rotor proper which is mounted along the longitudinal axis of a piping made up of a pair of spaced sections indicated generally by 4 and 4'. For the sake of simplicity the rotor is assumed to have only two vanes and it is mounted (as shown) through the medium of ball bearings 3 upon a stationary body portion 2. The body portion 2 of the rotor 1 is centralized with respect to the piping section 4 by means of an intermediate member 5 having the shape of a four limb star, each limb of this star-shaped member having the outline as shown at 5'. At the end of each star limb and at right angles to its plane of symmetry are arranged securing lugs 6. The two sections 4 4' of the piping are axially aligned and have edged flanges 7 between which are interposed the securing lugs 6. The assembly is held in position by screws and nuts 8, gaskets such as 9 ensuring adequate tightness. The opposite ends of the two sections 4, 4' of the piping are provided with shoulders such as 10 the purpose of which is to ensure proper interposition of said sections at the suitable location of the piping through which there is a flow of fluid the rate of which has to be measured. The piping section 4' has mounted thereon a ring member 11 formed with a pair of diametrically opposed ports 12, 13. Stoppers such as 14 seal said ports so as to prevent any leakage of the fluid lvhieh flows through the piping. Such stoppers are provided with gaskets 15 held ill position bv annular nuts 16. In the present constructional form, the stoppers 14 are of cylindrical shape and made of a transparent material. their location being such that their internal face is flush with the inner wall of the piping section 4'. The transverse asis 17 of the rotor 1 (at right angles to the major axis


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