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US4012932A
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Machine for manufacturing herringbone-pleated structures
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Method of making a sheet of material having asymmetrical folds
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Method and apparatus for sandwiching corrugated core between skin layers
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GB1032973A
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Constructional materials derived from developable chevroned structures and a method of making such materials
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Shape, constitution and processes for manufacturing materials derived from developable chevroned configurations
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Process and devices for chevroning pliable sheet material
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Screw piles
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Sandwich structure with novel core element
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Process and apparatus for forming transverse corrugations of all forms in a sheet or band of malleable material
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Method for manufacturing thin sheet filter media
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Method and means for the formation of herring-bone structures
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Chevron pleated filter sheet cartridge for fluids
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Arrangement for the mechanical and continuous production of developable herring-bone structures
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Clamping collars
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Chevron shaped article and a sandwich structure therefrom
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CA753006A
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Deformed sheet panels
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CA641586A
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Dispositif pour le faconnage mecanique en continu de structures chevronnees developpables
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CA659294A
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Centrifugal motion of fluid and separation of solids therefrom
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CA658067A
|
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Method and means for the formation of herring-bone structures
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CA652670A
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Constructional material
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