초록 ▼

A flexible container in the form of a bag is described for use in a non-immersion dry cleaning process. Bag walls that are appropriately stiff and slick are preferred (preferred Kawabata Evaluation System stiffness and surface friction values are given), as are bag designs that are inherently three-

A flexible container in the form of a bag is described for use in a non-immersion dry cleaning process. Bag walls that are appropriately stiff and slick are preferred (preferred Kawabata Evaluation System stiffness and surface friction values are given), as are bag designs that are inherently three-dimensional and self-supporting. A preferred embodiment is a tetrahedral bag having a slick polymeric coating on the interior surface.

대표청구항 ▼

A flexible container in the form of a bag is described for use in a non-immersion dry cleaning process. Bag walls that are appropriately stiff and slick are preferred (preferred Kawabata Evaluation System stiffness and surface friction values are given), as are bag designs that are inherently three-

A flexible container in the form of a bag is described for use in a non-immersion dry cleaning process. Bag walls that are appropriately stiff and slick are preferred (preferred Kawabata Evaluation System stiffness and surface friction values are given), as are bag designs that are inherently three-dimensional and self-supporting. A preferred embodiment is a tetrahedral bag having a slick polymeric coating on the interior surface. acitor; and a gain circuit having an input configured to receive a new digital control word and generate a DCO tuning control word therefrom. 7. The digitally-controlled oscillator according to claim 6 wherein the gain circuit comprises a dithering circuit having an input configured to receive and dither at least one digital control word less significant bit. 8. The digitally-controlled oscillator according to claim 7 wherein the dithering circuit is operative to generate a dithering clock that is derived from and synchronous with LC oscillator output signal. 9. A digitally-controlled oscillator comprising: a tunable self-oscillating LC oscillator having an output and including a plurality of controllable more significant capacitors and at least one controllable less significant capacitor, the more significant capacitors and the at least one controllable less significant capacitor coupled to at least one inductor, the more significant capacitors configured to receive more significant bits of a digital control word such that a first capacitance can be presented to the tunable LC oscillator in response thereto, the at least one less significant capacitor configured to receive at least one dithered and noise shaped less significant bit of a digital control word such that a modulated second capacitance can be presented to the tunable LC oscillator in response thereto, wherein the resonant frequency associated with the tunable LC oscillator is averaged in response to the modulated capacitance. 10. The digitally-controlled oscillator according to claim 9 wherein the at least one inductor comprises a center-tapped inductor. 11. The digitally-controlled oscillator according to claim 9 further comprising output circuitry having an input coupled to the tunable LC oscillator output, the output circuitry operative to generate a digital signal at an RF frequency in response to a signal generated at the tunable LC oscillator output. 12. A digitally-controlled oscillator comprising: a tunable self-oscillating LC oscillator having an output and including a plurality of controllable more significant capacitors and at least one controllable less significant capacitor, the more significant capacitors and the at least one controllable less significant capacitor coupled to at least one inductor, the more significant capacitors configured to receive more significant bits of a digital control word such that a first capacitance can be presented to the tunable LC oscillator in response thereto, wherein the resonant frequency associated with the tunable LC oscillator is averaged in response to a modulated capacitance; and a gain circuit having an input configured to receive and partition a digital control word to generate the more significant bits and the at least one less significant bit therefrom. 13. The digitally-controlled oscillator according to claim 12 wherein the gain circuit comprises a dithering circuit having an input configured to receive and dither the at least one less significant bit. 14. A digitally-controlled oscillator comprising: means for generating an output signal at a desired RF frequency in response to a plurality of more significant control bits and further in response to at least one dithered less significant bit; means for receiving a digital control word and generating the plurality of more significant control bits and at least one less significant control bit therefrom; and means for dithering and noise shaping the at least one less significant control bit, wherein the plurality of more significant control bits and the at least one dithered and noise shaped less significant control bit are communicated to the means for generating an output signal and therein control the desired RF frequency. 15. The digitally-controlled oscillator according to claim 14 wherein the means for generating a signal at a desired RF frequency comprises a self-oscillating LC oscillator. 16. The digitally-controlled oscillator