摘要:
A core of polymer sandwich structural material (1) includes a resined cellular structure (31) with one first and one second polymer fabric sheets (8, 9) adhering in the area of an adhesive strip (17). A unit (5) includes a corrugated unit portion (12) on at least one surface (6) thereof, on which a resin is disposed and cross-linked. A production method for such a core of polymer sandwich structural material is also described.
摘要:
This invention relates to a metallic honeycomb or folded core having improved compression strength. The core comprises metal foil coated with matrix resin wherein the resin comprises at least 20 weight percent of the total weight of resin plus foil.
摘要:
This invention relates to an improved flame retardant honeycomb comprising high modulus fiber and a flame retardant thermoplastic binder having a melt point of from 120° C. to 350° C. and a limiting oxygen index of 26 or greater, methods for making the honeycomb, and articles comprising the honeycomb. In a preferred embodiment the paper in the honeycomb has a flame classification of UL-94 V-0.
摘要:
Unexpanded structural honeycomb material formed of permanently creasable material is extended in its expansion direction and compressed perpendicular to the expansion direction, e.g. between pressure rollers, so that the cells adopt a configuration in which they have dimensions in the expansion direction which are large compared with their dimensions in the direction of compression and the creasable material is creased. On subsequently being allowed to expand, the material adopts a self-sustaining open cellular configuration.
摘要:
Apparatus for producing continuous unexpanded honeycomb material from slices of unexpanded material has a magazine for delivering the slices to a ramming station in turn, a ramming device for ramming them from the station in their expansion direction through a gripping guideway, and an adhesive applicator for applying adhesive to the slices so that they adhere together in the guideway under the ramming pressure. Provision may be made for feeding the magazine with layers of unexpanded slices from a stillage.The apparatus may be joined to a machine for lapping the unexpanded material for storage or transport if required.
摘要:
A metal fiber composite cellular structure includes cell walls composed of metal foils. At least two of the cell walls of each cell of the metal fiber composite cellular structure further includes a continuous fiber roving coated in an adhesive resin adhered to the metal foil, which creates continuous fiber adhesive node bond lines. The continuous fiber adhesive node bond lines improve compressive properties and shear properties of the metal fiber composite cellular structure without a weight penalty when used to manufacture sandwich structures.