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4208750 Method and construction for binding calendars and the like  
A method and construction for binding wide groups of sheets such as calendars so that they may be opened without sheet offset and completely folded back. The method comprises the steps of forming a...
4208776 Punch, die and anvil set  
Improvement in a punch, anvil and die set for spot clinching two or more materials together to form a spot clinch joint in which the anvil is arranged inside of the die and the punch and die move...
4199853 Method of protecting a pipe  
A C-shaped open base element of sheet metal is used to form a protective sleeve about a pipe mounted in a mounting. The element is bent about the pipe and welded together to form the sleeve. Wedges...
4194280 Process for the manufacture of rigid and impervious insulating panels  
Machines and process for making in a continuous operation a prestressed glass reinforced, thermally insulating panel, structurally stiff, and totally impervious, of indefinite length and with a...
4194284 Method of making insulated construction element  
Two elongated metallic profiles each formed with two pairs of flanges each of which forms a longitudinally extending groove are positioned with the two grooves of each profile parallel and opening...
4193181 Method for mounting electrically conductive wires to a substrate  
A switch assembly comprises a deformable electrically insulative substrate with a plurality of grooves formed therein extending in a direction parallel to a given axis. Electrically conductive...
4192058 High fatigue slug squeeze riveting process using fixed upper clamp and apparatus therefor  
A high fatigue slug squeeze riveting process using two clamps, one of which is a fixed position clamp, and an apparatus for carrying out the process is disclosed. A pair of panels or other items to...
4191123 Method of shaping a screw type clamping collar  
In accordance with the process of the present invention the flexible collar of a screw-type clamping collar is formed of a flexible metal strip of predetermined width, and one end thereof is either...
4190951 Method for facilitating attachment of wires to a motherboard  
A switch assembly comprises a deformable electrically insulative substrate with a plurality of grooves formed therein extending in a direction parallel to a given axis. Electrically conductive...
4188705 Thermal barrier stitching apparatus  
An apparatus or complete machinery line assembly is provided for stitching or crimping an insulating or thermal barrier member in a metal member or members. The assembly comprises a reel or unwind...
4187597 Torsional vibration damper having two part hub  
A torsional vibration damper and method and apparatus for its manufacture. The outer inertia member carries a radially inwardly extending web, the web sandwiched by a pair of elastomer members. A...
4184396 Locking joint manufacture  
A piercing punch, a piercing die and a swaging punch are displaced relative to each other to produce locking joints by a machine which uses cams, preferably in the form of pairs of mating,...
4183122 U-bolt clamp assembly  
A saddle for a U-bolt clamp assembly is disclosed. The saddle is comprised of a single sheet metal member. The member is folded along a line to form a two-layer web portion and a pair of tubular...
4183557 Insulative flexible connector  
This invention relates to a flexible connector material of the type used in air circulating systems, such as air conditioning and warm air systems, to span the space between adjacent ducts, whereby...
4182193 Pulley  
A pulley comprises a hub and a pair of generally annular sheet metal members having central openings for receiving a portion of the hub and oppositely faltered margins for defining a groove to...
4179780 Method of making a clutch throw-out bearing assembly  
An improved clutch throw-out bearing assembly and method of making same comprising an antifriction bearing member of either thrust or angular contact variety permanently secured, by staking or the...
4178669 Method for continuously fixing a plurality of tubular fasteners one by one to a plurality of apertures provided in a support panel  
A method is disclosed wherein so-called pull-lock type blind fasteners are automatically and efficiently fitted and fixed to a plurality of apertures provided in a panel, or a plurality of aligned...
4177545 Fastening method and product  
A method and product in which a stud or rivet-like element is secured in a base or two elements are hingedly connected by means of a pin, in which the stud or pin is prevented from rotating...
4174559 Fastening method  
Two sheets of deformable material are securely fastened together without the use of adhesives, separate rivets or fasteners by forming a closed end cylindrical projection on the upper surface of...
4164062 Ball and socket linkage and bearing assembly and method of fabricating  
In both the socket linkage and the ball bearing assembly the formed metal engages the curvature of the ball more than 90° which retains the parts in assembled relationship. The forming is...
4161811 Method and apparatus for the manufacture of reinforced smooth flow pipe  
A method and apparatus for the continuous manufacture of reinforced, spirally wound pipe having a generally smooth inner wall produced from an elongated flat sheet of ductile material, such as...
4160312 Method and apparatus for making multi-layer spiral pipe  
An apparatus and method for continuously forming multi-layer metal pipe from at least two elongated sheets of metal. One sheet is impressed with longitudinal corrugations in a rolling device and...
4152817 Method of joining plastic pipe to other pipe  
Method and apparatus for joinder of plastic conduit to a second conduit characterized by forming a holding means on the end of the second conduit with which the plastic conduit is to be connected,...
4151634 Plate connector for conveyor belts and method for securing such plate connector to conveyor belts  
Plate connectors are secured to the free ends of belts, such as conveyor belts, by means of staples, the protruding ends of which are bent over. Preferably, there are recesses at least in one outer...
4150555 Blind riveting unit  
A pressure riveting unit for blind or one-side riveting provided with a two-arm riveting head, there being a pull stud for hollow rivets on the end of each arm. The head is adapted to be turned...
4150467 Method and mandrel for blind riveting  
A method in blind riveting comprises the step of using a mandrel which is withdrawn completely through the tubular rivet for setting the rivet, as a drill for cutting the hole through which the...
4145801 Method of forming an integral rivet for an easy open can end  
An improved method of deforming an integral hollow rivet from an outwardly projecting bubble portion formed in sheet material is provided comprising the step of deforming a generally circular...
4136438 Electrical device  
An enclosure for an electrochemical device, especially useful for electrochemical cells having an internal pressure above ambient, wherein the enclosure is formed in accordance with techniques...
4133566 High pressure duct clamp and method of use  
A method and apparatus for permanently and sealably connecting two duct sections, the duct sections having peripheral flanges forming opposite and corresponding halves of a composite, T-shaped...
4133091 Apparatus for fixing blades on turbine wheel for fluid coupling made of sheet metal  
Proposed in this specification is a method for fixing a multitude of blades or vanes onto inner concaved surface of an outer shell of a turbine wheel for a fluid or hydrodynamic coupling made by...
4131980 Method of making a tank  
A metal tank for a liquid hydrocarbon and method of making same are provided wherein such tank has a first wall terminating in a first flange, a second wall terminating in a second flange, and an...
4130922 Headless riveting system  
A self-piercing riveting system comprising a headless rivet made from steel or a suitable material that provides compressive strength superior to that of the materials to be riveted together and of...
4125936 Composite strip for fabricating spring contacts  
Roll of a composite strip can be purchased by spring contact fabricator and fed directly into press for stamping contacts. Composite strip made as follows: Base or body strip fed out of a roll and...
4120084 Method of making improved lug and hole connection between sheet metal elements  
A lug-and-hole connection between a first, lug-bearing sheet metal element and a second, apertured sheet metal element is made by so forming the hole in the first element that it is bounded by...
4119235 Plastic drum with metal handling ring  
Disclosed is a method of making a plastic drum having a radially extending projection near its top to which is crimped a circumferential metal carrier ring adapted to be grasped by conventional...
4119827 Clinch weld fastener and method of securing panels together  
A clinch weld fastener and method of using the same to effect attachment of a non-ferrous panel, such as an aluminum panel, to a ferrous panel, such as a steel panel. The clinch weld fastener is in...
4118850 Gasket forming apparatus  
A metal forming apparatus and method which uses the apparatus for closing the metal shell at a corner of a double jacketed gasket assembly. The apparatus includes a roller hammer means having a...
4115918 Method of making electric appliance with intermittently staked sheathed heating element  
The underside of the bottom wall of an electric cooker contains a sheathed electric heater element intermittently staked and keyed to the sides and base of a receiving channel to control and...
4116359 Through hole deformation and inside sealing tear strip  
An easy opening container member having an opening therethrough which may be utilized for dispensing a product. The inner surface of the container member is provided with a protective coating which...
4114670 Method for securing screw means onto metal plate and metal plate having screw means secured  
At least one screw means provided with an angular stepped neck by certain distance from the bearing surface of a screw head thereof is fastened firmly onto a metal plate having at least one opening...
4114741 Fabricated pressure plate  
A lightweight low-cost pressure plate for use in a friction clutch assembly that is fabricated of sheet metal stampings and includes an annular U-shaped member providing a friction surface, the...
4108408 Looped tube clamp support  
A support system and method for supporting parallel tubes. A looped tube support clamp comprising a channel base with scalloped arcuate passages for tube support, the sides of the passages forming...
4102041 Method of making microwave oven seal structure  
A microwave oven having a door formed from metal structural elements which are welded together and coated with a nonconductive coating. Solid dielectric portions of the microwave seal choke are...
4102030 Method of forming a sealing sleeve joint construction  
A sleeve member for positioning between the fastener and work pieces within aligned holes through the work pieces. The sleeve member has a tubular side wall with outwardly directed bends formed...
4095327 Method of securing a nut to a support plate  
Method of securing a nut to a support plate including the steps of forming an aperture in the support plate complementary to the configuration of the nut, inserting the nut in the aperture, and...
4092394 Manufacture of draught excluders  
There is disclosed a process for assembling weather stripping which comprises continuously gaping the flanged mouth of an elongated holder inserting therein succeeding lengths of a foot portion of...
4090709 Structure for preventing removal of grip covers from metallic bats  
By covering a grip of a metallic bat with a grip cover made of hard rubber and forcing at least one pin or cotter to penetrate through grip end and the grip, the metallic bat of the present...
4087897 Method of making an end connection to a fluid power cylinder and product  
A method of making an end connection to a fluid power cylinder and product wherein a hollow metallic cylindrical tubing is deformed into a step shape to conform to a channel shaped recess provided...
4086839 Dome headed rivet, and workpiece assembly  
A rivet with a forward shank and a tapered head has a dome protruding axially in a rearward direction. The dome is ring shaped, extends about the rivet axis, and is in substantial axial alignment...
4084309 Apparatus and method of manufacturing flexible ducting  
An apparatus and method for manufacturing flexible duct comprising feeding a strip of cloth and a channel formed strip of metal in parallel through a work station having a pair of crimping rollers...