Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
218 words
A developing method for converting an electrostatic latent image on the surface of an electrostatic latent image holder into a visible image, comprising the steps of: arranging the electrostatic latent image holder for holding the electrostatic latent image thereon and a toner conveyer for conveying positively-charged non-magnetic one-component type toner thereon an extremely small space apart from each other; applying the non-magnetic one-component type toner onto the toner conveyer and contacting the toner with a blade to form a thin layer of toner on the conveyer and frictionally charge the toner; and transferring the toner to the electrostatic latent image holder; wherein the frictional charge quantity relative to the surface of the non-magnetic type toner is +30˜100 mC/m 2 ; and fluidity is not more than 5 g in terms of the toner amounting to 20 g but remaining on a 100-mesh sieve after it has been vibrated at a rate of 3,000 V.P.M. and an amplitude of 1 mm for 30 seconds, and wherein the positively-charged toner contains a resin and a coloring agent, said resin being a styrene-(meth)acrylamino methacrylic copolymer having a glass transition point over 50° C.; a softening point within the range of 110° C.-160° C.; and a frictional charge amount relative to the surface area within the range of 25˜150 μC/m 2 .
Claim 2
Dependent Claim
218 words
A developing method for converting an electrostatic latent image on the surface of an electrostatic latent image holder into a visible image, comprising the steps of: arranging the electrostatic latent image holder for holding the electrostatic latent image thereon and a toner conveyer for conveying positively-charged non-magnetic one-component type toner thereon an extremely small space apart from each other; applying the non-magnetic one-component type toner onto the toner conveyer and contacting the toner with a blade to form a thin layer of toner on the conveyer and frictionally charge the toner; and transferring the toner to the electrostatic latent image holder; wherein the frictional charge quantity relative to the surface of the non-magnetic type toner is +30˜100 mC/m 2 ; and fluidity is not more than 5 g in terms of the toner amounting to 20 g but remaining on a 100-mesh sieve after it has been vibrated at a rate of 3,000 V.P.M. and an amplitude of 1 mm for 30 seconds, and wherein the positively-charged toner contains a resin and a coloring agent, said resin being a styrene-(meth)acrylamino methacrylic copolymer having a glass transition point over 50° C.; a softening point within the range of 110° C.-160° C.; and a frictional charge amount relative to the surface area within the range of 25˜150 μC/m 2 .
Claim 3
Dependent Claim
24 words
A developing method as claimed in claim 1, wherein said non-magnetic one-component type toner contains 0.05˜5 parts by weight of positively charged colloidal silica.
Claim 4
Dependent Claim
188 words
A developing method for converting an electrostatic latent image on the surface of an electrostatic latent image holder into a visible image, comprising the steps of: arranging the electrostatic latent image holder for holding the electrostatic latent image thereon and a toner conveyer for conveying non-magnetic one-component type toner thereon an extremely small space apart from each other; applying the non-magnetic one-component type toner onto the toner conveyer; and transferring the toner to the electrostatic image holder, wherein said non-magnetic one-component type toner is prepared by treating the surface of toner containing binder resin whose glass transition point is over 50° C. and whose softening point is within the range of 110°˜160° C. and a coloring agent with a silane coupling agent having an amino group, and wherein the frictional charge quantity relative to the surface of the non-magnetic type toner is +30-100 mC/m 2 ; and fluidity is not more than 5 g in terms of the toner amounting to 20 g but remaining on 100-mesh sieve after it has been vibrated at a rate of 3,000 V.P.M. and an amplitude of 1 mm for 30 seconds.
Claim 5
Dependent Claim
188 words
A developing method for converting an electrostatic latent image on the surface of an electrostatic latent image holder into a visible image, comprising the steps of: arranging the electrostatic latent image holder for holding the electrostatic latent image thereon and a toner conveyer for conveying non-magnetic one-component type toner thereon an extremely small space apart from each other; applying the non-magnetic one-component type toner onto the toner conveyer; and transferring the toner to the electrostatic image holder, wherein said non-magnetic one-component type toner is prepared by treating the surface of toner containing binder resin whose glass transition point is over 50° C. and whose softening point is within the range of 110°˜160° C. and a coloring agent with a silane coupling agent having an amino group, and wherein the frictional charge quantity relative to the surface of the non-magnetic type toner is +30-100 mC/m 2 ; and fluidity is not more than 5 g in terms of the toner amounting to 20 g but remaining on 100-mesh sieve after it has been vibrated at a rate of 3,000 V.P.M. and an amplitude of 1 mm for 30 seconds.
Claim 6
Dependent Claim
72 words
A developing method as claimed in claim 3, wherein said silane coupling agent having an amino group is expressed by the following formula: ##STR6## wherein R 1 1 designates --H, --CH 3 , --C 2 H 5 , --CH 2 CH 2 OH, ##STR7## R 2 1 designates --(CH 2 )n--, ##STR8## R 3 1 designates --CH 3 , --OCH 3 , --OC 2 H 5 , and n designates 1˜4 integers.
Claim 7
Dependent Claim
24 words
A developing method as claimed in claim 4, wherein said non-magnetic one-component type toner contains 0.05˜5 parts by weight of positively charged colloidal silica.