초록 ▼

A novel technique for molding multi-layer polymer plastic articles having inner, outer and interior or core layers by controlling relative volumetric flow rates of the inner and outer layers to enable relative shifting of the position of the core, and also the relative thickness of the inner and out

A novel technique for molding multi-layer polymer plastic articles having inner, outer and interior or core layers by controlling relative volumetric flow rates of the inner and outer layers to enable relative shifting of the position of the core, and also the relative thickness of the inner and outer layers in the molded articles; and with leading, and, where desired, trailing ends of the interior layer flow into the mold cavity substantially positioned on the zero gradient of the velocity profile of the flowing polymer streams.

대표청구항 ▼

A novel technique for molding multi-layer polymer plastic articles having inner, outer and interior or core layers by controlling relative volumetric flow rates of the inner and outer layers to enable relative shifting of the position of the core, and also the relative thickness of the inner and out

A novel technique for molding multi-layer polymer plastic articles having inner, outer and interior or core layers by controlling relative volumetric flow rates of the inner and outer layers to enable relative shifting of the position of the core, and also the relative thickness of the inner and outer layers in the molded articles; and with leading, and, where desired, trailing ends of the interior layer flow into the mold cavity substantially positioned on the zero gradient of the velocity profile of the flowing polymer streams. g Router, May 1997, vol. 9--No. 5, pp. 625-627. Dragone, c. Efficient NxN Star Couplers Using Fourier Optics, pp 479-48, Mar. 1989, vol. 7--No. 3, Journal of Lightwave Technology. Fischer, et al., Singlemode Optical Switches Based on SOI Waveguides with Large Cross-Section, Electronics Letters, Mar. 3, 1994, vol. 30--No. 5, pp. 406-408. Fischer, K. et al, Sensor Application of SiOn Integrated Optical Waveguides On Silicon; Elevier Sequoia, 1992; pp. 209-213. 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