 Process and furnace for heat application |
| There are several modes of carrying out the process of the present invention in which some of the ... |
|
| Process for manufacturing liquefied methane |
| What is claimed is: 1. A liquefaction process for liquefying a natural gas feed stream comprising ... |
|
| Nitrogen-methane separation process and system |
| What is claimed is: 1. A process for the separation of nitrogen from a mixture of gases consisting ... |
|
| Process for separating methane and nitrogen |
| The above and other objects which will become apparent to one skilled in the art upon a reading of ... |
|
| Two-stage rectification for the separation of hydrocarbons |
| An object of one aspect of the present invention is to provide an improved process of the type ... |
|
| Process to produce liquid cryogen |
| The above and other objects, which will become apparent to one skilled in the art upon a reading of ... |
|
| High functional regenerated cellulose composition |
| What we claim is: 1. A functional regenerated cellulose composition comprising 100 parts by weight ... |
|
| Papermaking compositions, process using same, and paper produced therefrom |
| What is claimed is: 1. Method of producing a paper with enhanced brightness, opaqueness and sizing ... |
|
| Fire-resistant strap fabric, article and method |
| Having thus described the invention and illustrated its use, what is claimed as new and is desired ... |
|
|
Woven fabric having multi-layer structure and composite material comprising the woven fabric
| Details |
Inventors: Takenaka, Koji; Sato, Eiji;
Assignee: Asahi Kasei Kogyo Kabushiki Kaisha (Osaka, JP)
Primary Examiner: Cannon; James C.
Assistant Examiner:
Attorney, Agent or Firm: Finnegan, Henderson, Farabow, Garrett & Dunner
Disclosed is a woven fabric having a plurality of fabric layers which are integrated through combined portions formed by interlacing warps or wefts of one of adjacent layers of some of warps or wefts of said one layer and warps or wefts of the other layer or some of warps or wefts of said other layer with common wefts or warps, wherein a set of adjacent four layers comprises recurring structural units comprising (A) a part having one combined portion formed by intermediate two layers, (B) a first non-combined part having no combined portion, (C) a part having two combined portions formed by subsequent two layers, respectively, and (B) a second non-combined part having no combined portion. A honeycomb structure having cells of a shape of tetragons, hexagons or a combination thereof is formed among the entire layers when the multi-layer fabric is expanded. 40-100 wt. % of the fibers constituting the fabric are organic fibers which are infusible or have a melting point of at least 300.degree. C. and have an initial modulus of at least 250 g/d, and 0-60 wt. % of the fibers constituting the fabric are inorganic fibers or metal fibers. A composite material comprising the multi-layer fabric as a reinforcer and a thermoplastic resin as a matrix has good mechanical strengths and thermal resistance and is valuable, e.g., as a structural material for an aircraft. |
|
DETAILED DESCRIPTION It is a primary object of the present invention to provide a woven fabric especially suitable for the production of a composite material which has a light weight, shows an excellent compression strength in a broad temperature range, is not broken when stress is imposed repeatedly, and has an excellent impact resistance, and further, to provide a composite material in which the above-mentioned properties are most effectively exerted, by using this woven fabric.
More specifically, in accordance with one aspect of the present invention, there is provided a woven fabric having a multi-layer structure, which comprises a plurality of woven fabric layers which are integrated through combined portions formed by interlacing warps or wefts of one of adjacent woven fabric layers or some of warps or wefts of said one woven fabric layer and warps or wefts of the other woven fabric layer or some of warps or wefts of said other woven fabric layer with common wefts or warps, wherein a set of adjacent four woven fabric layers comprises recurring structural units comprising (A) a part having one combined portion formed by intermediate two woven fabric layers, (B) a first non-combined part having no combined portion, (C) a part having two combined portions each formed by adjacent two woven fabric layers, respectively, and (B) a second non-combined part having no combined portion; a honeycomb structure having a plurality of cells having a shape of tetragons, hexagons or a combination of tetragons and hexagons is formed among the entire woven fabric layers when the multi-layer woven fabric is expanded in the thickness direction; and 40 to 100% by weight of the fibers constituting the woven fabric are organic fibers which are infusible or have a melting point of at least 300.
degree.
C.
and have an initial modulus of at least 250 g/d, and 0 to 60% by weight of the fibers constituting the woven fabric are inorganic fibers or metal fibers.
In accordance with another aspect of the present invention, there is provided a composite material having a honeycomb structure, which comprises as a matrix a thermoplastic resin having a heat distortion temperature of at least 150
|
| Related patents |
|
|
High pressure steam deflector for pipes
A high pressure steam deflector is provided. The deflector is to be positioned about steam pipes or other high pressure steam equipment and comprises a laminate of at ...
|
|
|
Magnetic shielding garment for electro-biologic measurements
This invention encompasses a garment for electromagnetically shielding a patient. The shielding allows sensitive medical measurements to be made with reduced levels of ...
|
|
|
Upper body protector for off-road riders
The upper body protector of the instant disclosure is the result of a study by a team composed of designers, doctors, technicians, and motocross riders, focusing on the ...
|
|
|
Reusable pressure spray container
What is claimed is: 1. A spray bottle for dispensing a liquid product as an aerosol, comprising: (a) an outer container having a generally closed bottom, an open top and ...
|
|
|
Decoder for a software-implemented end-to-end scalable video delivery system
In a first embodiment, the present invention provides a software-based, rapidly operating decoder of low computational complexity for use with an end-to-end scalable ...
|
|
|
Magnetic recording medium
OF THE PREFERRED EMBODIMENTS The magnetic recording medium according to the present invention comprises a magnetic layer on a surface of a non-magnetic support and a ...
|
|
|
Magnetic recording medium
OF THE INVENTION In the present invention, the backing layer formed on the rear side of a thin base film such as a polyester base film, is generally classified into two ...
|
|
|
Process for producing crystal-oriented permanent magnets
What is claimed is: 1. In a process for preparing anisotropic permanent magnets, comprising the steps of introducing molten permanent magnet material into a vertically ...
|
|
|
Apparatus and process for automatic control of the production of optical fiber
Accordingly, it is an object of the present invention to provide a method for preparing a preform which can be drawn into optical fiber, which allows for the precise ...
|
|
|
Method of supplying fluid to a rotating tube
Referring now in more detail to the drawing, there is shown in FIG. 1 a lathe for forming an optical fiber preform by a vapor deposition process wherein chemical ...
|
|
|
Manufacturing Materials 
