초록 ▼

The present invention discloses a process to produce staggered dent profiled material sheets in response to the application of either excess pressure or underpressure. A rectangular, staggered dent-profiled structure is achieved when a material sheet, in curved form, is supported by regularly spaced

The present invention discloses a process to produce staggered dent profiled material sheets in response to the application of either excess pressure or underpressure. A rectangular, staggered dent-profiled structure is achieved when a material sheet, in curved form, is supported by regularly spaced-apart support elements and then excess pressure or underpressure is applied. As a result of the pressure dents appear on the material sheet in the direction of the support elements as well as by self-organization. Hexagonal dent profiled structures are generated when flexible support elements are used. The dent profiling can result from a semi-continuous or continuous operation. Segment-wise dent profiling can be achieved when the material sheet is successively bent in peripheral direction over a segment of regularly spaced-apart support elements and then dent profiled under pressure. Continuous operation is achieved when only a small segment, comprising of two or more individual dents, is successively dented in peripheral direction. The continuous operation occurs because the material sheet repeatedly dent profiles itself over the entire surface of the material sheet, thus permitting continuous dent-profiling. The resulting dent-profiling of the present invention enhances many beneficial characteristics of the material sheets, such as stiffness, smoothness, heat transfer, and acoustic qualities, without requiring use of a sophisticated mold or complex machinery.

대표청구항 ▼

[ I claim:] [1.] A method for producing a dent profiled material sheet, the method comprising the steps of:curving a material sheet;supporting said material sheet by means of spaced-apart support elements;applying pressure to said material sheet by pressure collar means, thereby producing said dent

[ I claim:] [1.] A method for producing a dent profiled material sheet, the method comprising the steps of:curving a material sheet;supporting said material sheet by means of spaced-apart support elements;applying pressure to said material sheet by pressure collar means, thereby producing said dent profiled material sheet having a plurality of dents, each of said plurality of dents having resultant edges; andlowering said pressure sufficiently to advance said dent profiled material sheet.