Claims
- 1. An intermediate transfer roller for use in a reproduction apparatus comprising:a rigid cylindrical core member; at least one layer of an elastically deformable structure surrounding the core member, said elastically deformable structure having an effective Poisson's ratio in a range of 0.2 to 0.4; and wherein said intermediate transfer roller is capable of receiving an image.
- 2. The transfer roller of claim 1 wherein the effective Poisson's ratio is determined during operation.
- 3. The transfer roller of claim 1 wherein the elastically deformable structure surrounding the core member further comprises:a conformable layer surrounding the core member; a compliant blanket layer surrounding and adhered to the conformable layer; a thin hard outer layer formed on the compliant blanket layer; and wherein Poisson's ratio of the conformable layer has a value less than 0.4.
- 4. The roller of claim 3 further comprising a thin flexible electrically conductive electrode layer adhered to the conformable layer.
- 5. The roller of claim 3 further comprising a stiffening layer surrounding and in intimate contact with the conformable layer.
- 6. The roller according to claim 1 further comprising:an indicia located on a surface of the roller; and wherein the indicia is provided on the roller to indicate a parameter relative to performance of the roller that can be read, sensed or detected by an indicia detector, either visually, electrically, mechanically, optically, magnetically, or by means of a radio frequency.
- 7. An intermediate transfer roller as defined by claim 3 further comprising an electrically conductive layer between the conformable layer and the compliant blanket layer.
- 8. An intermediate transfer roller as defined by claim 7 wherein the conformable layer further comprises a foam in which the solid phase has a Young's modulus in a range of 1×106 Pa to 2×109 Pa, and the conformable layer further having a Poisson's ratio less than 0.4 and a thickness between 3 mm and 25 mm; the compliant blanket layer has a Poisson's ratio between 0.45 and 0.50, a thickness in a range of 0.5 mm to 5 mm, an electrical resistivity in a range 107 ohm-cm to 1011 ohm-cm, and a Young's modulus in a range of 0.5 MPa to 50 MPa; and, the thin hard outer layer has a Young's modulus greater than 50 MPa, a thickness between 0.1 micrometer and 20 micrometers, and a resistivity at least as high as the resistivity of the compliant blanket layer.
- 9. The roller according to claim 7 further comprising:an indicia located on a surface of the roller; and wherein the indicia is provided on the roller to indicate a parameter relative to the roller that can be read, sensed or detected by an indicia detector, either visually, mechanically, electrically, optically, magnetically, or by means of a radio frequency.
- 10. The roller according to claim 7 further comprising a stiffening layer surrounding the conformable layer wherein the stiffening layer has a thickness less than 500 micrometers and a Young's modulus greater than 0.1 Gpa.
- 11. An intermediate transfer member for use in a reproduction apparatus comprising:a rigid cylindrical core member; a sleeve member surrounding the core member, wherein the sleeve member comprises a strengthening band in the form of a tubular belt, and an elastically deformable structure including one or more layers formed on the strengthening band; and wherein the elastically deformable structure has an operational or effective Poisson's ratio in a range of 0.2 to 0.4, and wherein said intermediate transfer member is capable of receiving an image.
- 12. The intermediate transfer member as defined in claim 11 wherein the sleeve member comprises:a conformable layer formed on the strengthening band; an optional thin flexible electrically conductive electrode layer adhered to the conformable layer; a compliant blanket layer surrounding and adhered to the electrode layer; and a thin hard outer layer formed on the compliant blanket layer.
- 13. The intermediate transfer member as defined in claim 12 wherein the strengthening band has a Young's modulus in a range of 100-300 GPa, a thickness in a range of 20 micrometers-500 micrometers; the conformable layer is a foam in which the solid phase has a Young's modulus in a range of 1×106 Pa to 2×109 Pa.
- 14. The intermediate transfer member as defined in claim 12 wherein the conformable layer has a Poisson's ratio less than 0.4 and a thickness between 3 mm and 25 mm.
- 15. The intermediate transfer member as defined in claim 12 wherein the stiffening layer has a thickness less than 500 micrometers and a Young's modulus greater than 0.1 Gpa.
- 16. The intermediate transfer member as defined in claim 12 the compliant blanket layer has a Poisson's ratio between 0.45 and 0.50, a thickness in a range of 0.5 mm to 5 mm, an electrical resistivity in a range 107 ohm-cm to 1011 ohm-cm, and a Young's modulus in a range of 0.5 MPa to 50 Mpa.
- 17. The intermediate transfer member as defined in claim 12 wherein the thin hard outer layer has a Young's modulus greater than 50 MPa, a thickness between 0.1 micrometer and 20 micrometers, and a resistivity at least as high as the resistivity of the compliant blanket layer.
- 18. The intermediate transfer member as defined in claim 12 wherein: the strengthening band has a Young's modulus in a range of 100-300 GPa, and a thickness preferably in a range of 20 micrometers-500 micrometers; the conformable layer is a foam in which the solid phase has a Young's modulus in a range of 1×106 Pa to 2×109 Pa, and the conformable layer further having a Poisson's ratio less than 0.4 and a thickness between 3 mm and 25 mm; the compliant blanket layer has a Poisson's ratio between 0.45 and 0.50, a thickness in a range of 0.5 mm to 5 mm, an electrical resistivity in a range 107 ohm-cm to 1011 ohm-cm, and a Young's modulus in a range of 0.5 MPa to 50 MPa; and, the thin hard outer layer has a Young's modulus greater than 50 MPa, a thickness between 0.1 micrometer and 20 micrometers, and a resistivity at least as high as the resistivity of the compliant blanket layer.
- 19. A method of forming an intermediate transfer roller for use in a reproduction apparatus comprising the steps of providing a rigid cylindrical core member with at least one layer of an elastically deformable structure surrounding the core member, the elastically deformable structure having an effective Poisson's ratio in a range of 0.2 to 0.4, and wherein said intermediate transfer roller is capable of receiving an image.
- 20. The method of claim 19 wherein the step of providing further comprises providing the elastically deformable structure surrounding the core member such that the conformable layer has a compliant blanket layer surrounding and adhered to the conformable layer, with a thin hard outer layer formed on the compliant blanket layer; and wherein Poisson's ratio of the conformable layer has a value less than 0.4.
Parent Case Info
CROSS REFERENCE TO RELATED APPLICATIONS
Reference is made to the commonly assigned U.S. Patent Applications, the disclosures of which are incorporated herein by reference.
U.S. patent application Ser. No. 09/679,016, filed Oct. 4, 2000, in the names of Arun Chowdry et al, entitled DOUBLE-SLEEVED ELECTROSTATOGRAPHIC ROLLER AND METHOD OF USING.
U.S. patent application Ser. No. 09/679,113, filed Oct. 4, 2000, in the names of Robert Charlebois et al, entitled INTERMEDIATE TRANSFER MEMBER HAVING A STIFFENING LAYER AND METHOD OF USING.
U.S. patent application Ser. No. 09/679,177, filed Oct. 4, 2000, in the names of Muhammed Aslam et al, entitled SLEEVED ROLLERS FOR USE IN A FUSING STATION EMPLOYING AN INTERNALLY HEATED FUSER ROLLER.
U.S. patent application Ser. No. 09/679,345, filed Oct. 4, 2000, in the names of Jiann-Hsing Chen et al, entitled EXTERNALLY HEATED DEFORMABLE FUSER ROLLER.
U.S. patent application Ser. No. 09/680,133, filed Oct. 4, 2000, in the names of Arun Chowdry et al, entitled SLEEVED PHOTOCONDUCTIVE MEMBER AND METHOD OF MAKING.
U.S. patent application Ser. No. 09/680,134, filed Oct. 4, 2000, in the names of Muhammed Aslam et al, entitled SLEEVED ROLLERS FOR USE IN A FUSING STATION EMPLOYING AN EXTERNALLY HEATED FUSER ROLLER.
U.S. patent application Ser. No. 09/680,135, filed Oct. 4, 2000, in the names of Jiann-Hsing Chen et al, entitled TONER FUSING STATION HAVING AN INTERNALLY HEATED FUSER ROLLER.
U.S. patent application Ser. No. 09/680,139, filed Oct. 4, 2000, in the names of Robert Charlebois et al, entitled INTERMEDIATE
U.S. patent application Ser. No. 09/680,138, filed Oct. 4, 2000, in the names of Jiann-Hsing Chen et al, entitled TONER FUSING STATION HAVING AN EXTERNALLY HEATED FUSER ROLLER.
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