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A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 6949299 | Spray formed articles made of boron steel The present invention relates to a method of spray forming a boron steel metal article, and to the formed article. In at least one embodiment, the method comprises (a) providing a spray forming pattern, (b) spraying metallic particles onto the spray forming pattern,... | 09/27/2005 |
| 6935997 | Patterning technology for folded sheet structures The present invention supplies practical procedures, functions or techniques for folding tessellations. Several tessellation crease pattern techniques, and the three-dimensional folded configuration are given. Additionally several new forming processes, including ma... | 08/30/2005 |
| 6544623 | Honeycomb cell structure and method of manufacture A honeycomb cell structure has a plurality of first strips each formed into a generally zig-zag configuration and placed side by side to form a plurality of rows of cells in a generally honeycomb configuration with nodes between adjacent cells in each row... | 04/08/2003 |
| 6005216 | Advanced automatic machine for rapidly fabricating net metallic honeycomb core An automatic machine for rapidly fabricating a continuous length of metallic honeycomb core having a finite width and a precise height for use, substantially as fabricated, in bonding in a honeycomb core panel structure from a continuous strip of preforme... | 12/21/1999 |
| 5077459 | Composite metal panel A method of fabricating a composite metal panel (10) is disclosed, with the panel being particularly adapted for use in constructing railroad passenger cars, and comprising a sheet metal outer component (11) resistance-welded to the lands (15) of an under... | 12/31/1991 |
| 4889276 | Method and apparatus for forming and bonding metal assemblies A method and apparatus for forming and bonding metal assemblies using an internally heated chamber. The parts can be both superplastic formed and diffusion bonded to other parts. A closable chamber contains a heating element near the chamber center. A cer... | 12/26/1989 |
| 4843205 | Resistance weld joining of high electrical conductivity copper foil Apparatus and method for welding high electrically conductive metal and metal alloys. High thermal and high electrical conductive metals such as, for example copper foil and the like, normally unweldable by resistance welding means due to their physical m... | 06/27/1989 |
| 4642436 | Automatic metallic honeycomb core manufacturing machine A honeycomb core manufacturing machine which includes a mainframe assembly and a transport assembly carried by and translatable along the mainframe assembly. The mainframe assembly comprises vertical and horizontal translatable upper and lower weld electr... | 02/10/1987 |
| 4551604 | Method and apparatus for fabricating honeycomb seal An apparatus is provided for forming a circular, honeycomb-type engine seal from pre-formed core strip having male and female nodes. The apparatus includes a source of strip and means for forming the strip into a circular seal configuration wherein the ma... | 11/05/1985 |
| 4450338 | Method of fabricating a truss core sandwich panel A method of fabricating a truss core sandwich panel of the type including first and second face sheets secured on opposite sides of a corrugated sheet. The first face sheet is welded to one side of the corrugated sheet and the second face sheet is positio... | 05/22/1984 |
| 4280039 | Apparatus for fabricating and welding core reinforced panel A machine or apparatus simultaneously manufacutures a core-reinforced welded panel and assembles core strips in operative relationship with the face sheets of said panel. The machine includes a first welding head which is insertable in the space between t... | 07/21/1981 |
| 4205118 | Honeycomb-like panel structure and a method for manufacturing same An assembly is formed of thin sheet metal panels, one being of undulating construction, the panels engaging each other in multiple line contact along the apexes of the undulations and the undulations affording a multiplicity of small channels extending th... | 05/27/1980 |
| 4201903 | Method and apparatus for manufacturing a load bearing structural element having special internal atmospheric conditions The invention comprises a method for manufacturing a load-bearing structural element, and a housing for such manufacture. The method includes positioning outer shell assemblies in the housing to form a hollow space, and positioning honeycomb plates and a ... | 05/06/1980 |
| 4044217 | Sliding surface working method using wire-explosion coating There is disclosed a sliding surface working method using wire-explosion spray coating according to which the inner surface of an aluminium alloy cylinder is wire-explosion spray coated using a molybdenum wire, molybdenum-tungsten alloy wire, or tungsten ... | 08/23/1977 |
| 4013865 | Metal honeycomb welding apparatus and method Welding apparatus for making metal honeycomb core panels by welding together preformed corrugated metal strips is disclosed. The assembled portion of the core panel is positioned by vertical finger electrodes on a horizontal base with the core panel workp... | 03/22/1977 |
