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Die for extrusion of lattice structures

阅读：648发布：2024-02-01

专利汇可以提供Die for extrusion of lattice structures专利检索，专利查询，专利分析的服务。并且A die for extruding three dimensional lattice materials utilizing a roll of sawtooth configuration in its longitudinal direction, with grooves disposed in a pattern on the surfaces of the teeth. In one form of the die, the roll mates with a set of stationary teeth which closely engage the surfaces of the roll teeth so that material is extruded only when the grooves come into register with the stationary teeth. The bottom surfaces of the stationary teeth are flat, and are slightly spaced from a cylindrical roll. The resulting extrusion is a continuous solid sheet with an open three dimensional lattice structure on its upper surface. In another form of the die, the roll mates with a lower roll of similar configuration with another pattern of grooves on the surfaces of its teeth. The resulting extrusion is an entirely open three dimensional lattice.，下面是Die for extrusion of lattice structures专利的具体信息内容。

权利要求

1. A die, for extruding lattice structures, comprising: a turning roll having an axial direction and a sawtooth profile in its axial direction, said roll having spaced circumferential grooves and tooth surfaces between said grooves disposed obliquely with respect to said axial direction; a pattern of grooves traversing said tooth surfaces and intersecting said circumferential grooves; and a member mating with said roll, said member having faces closely engaging said tooth surfaces and blocking extrusion of material between said roll and said member in all regions except said circumferential grooves and said pattern of grooves to produce a structure composed of interconnected strips of material disposed in different planes.

2. A die as described in claim 1, said member comprising a set of stationary teeth of profile to mate with that of said roll.

3. A die as described in claim 1, said member comprising a second roll of profile to mate with said first named roll.

4. A die as described in claim 1, including a second roll having a surface patterned with grooves.

5. A die as described in claim 1, said member comprising a set of stationary teeth of profile to mate with that of said roll, said stationary teeth having flat surfaces disposed away from said roll, and the die including a second, cylindrical roll spaced from said flat surfaces.

6. A die as described in claim 1, said member comprising a set of stationary teeth of profile to mate with that of said roll, said stationary teeth having flat surfaces disposed away from said roll, and the die including a second, cylindrical roll having a surface closely engaging said flat surfaces and patterned with grooves.

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Die for extrusion of lattice structures

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