Heat activating and thermosensitive recording for thermosensitive adhesive label

An apparatus for heat-activating and thermosensitive-recording a thermosensitive adhesive label comprising a support, a thermosensitive adhesive agent layer which is provided on a first side of said support and is not adhesive at room temperature, and a thermosensitive coloring layer which is provided on a second side of said support opposite to said thermosensitive adhesive agent layer, comprising:

• a heat-activating unit comprising:
• a heating medium having a thin film resistive element on a ceramic substrate and a protective layer covering a surface of said thin film resistive element;
• and
• a platen roller arranged opposite to said heating medium, said thermosensitive adhesive label being transported between said heating medium and said platen roller in a direction where said thermosensitive adhesive agent layer is faced with said heating medium, so as to make said thermosensitive adhesive agent layer adhesive;
• and
• a thermosensitive-recording unit for recording said thermosensitive coloring layer, said thermosensitive-recording unit arranged in a front or a rear position of said heat-activating unit, so as to achieve a thermosensitive recording, wherein when a friction coefficient between said thermosensitive adhesive agent layers is less than 2.0, a pressing force of said thermosensitive adhesive label between said heating medium and said platen roller is in a range of from 50 to 5000 g/25 mm at room temperature, and when said friction coefficient between said thermosensitive adhesive agent layers is between 2.0 and 3.0, said pressing force of said thermosensitive adhesive label between said heating medium and said platen roller is in a range of from 50 to 2000 g/25 mm at room temperature, and further wherein said friction coefficient between said thermosensitive adhesive agent layers is equal to or more than 0.5 times a friction coefficient between said thermosensitive coloring layers.

A method for heat-activating and thermosensitive-recording a thermosensitive adhesive label comprising a support, a thermosensitive adhesive agent layer provided on a first side of said support and a thermosensitive coloring layer provided on a second side of said support opposite to said the thermosensitive adhesive layer, comprising the steps of:

• transporting said thermosensitive adhesive label between a heating medium having a thin film resistive element provided on a ceramic substrate and a protective layer covering a surface of said thin film resistive element, and a platen roller arranged opposite to said heating medium,
• heat-activating said thermosensitive adhesive label so as to make said thermosensitive adhesive agent layer adhesive, and
• thermosensitive-recording said thermosensitive coloring layer in a front or rear position of said heat-activating step, wherein when a friction coefficient between said thermosensitive adhesive agent layers is less than 2.0, a pressing force of said thermosensitive adhesive label between said heating medium and said platen roller is in a range of from 50 to 5000 g/25 mm at room temperature, and when said friction coefficient between said thermosensitive adhesive agent layers is between 2.0 and 3.0, said pressing force of said thermosensitive adhesive label between said heating medium and said platen roller is in a range of from 50 to 2000 g/25 mm at room temperature, and further wherein said friction coefficient between said thermosensitive adhesive agent layers is equal to or more than 0.5 times a friction coefficient between said thermosensitive coloring layers.

A thermosensitive adhesive label for use in an apparatus for heat-activating said thermosensitive adhesive label comprising a support and a thermosensitive adhesive agent layer provided on one side of said support, said apparatus comprising:

• a heating medium having a thin film resistive element on a ceramic substrate and a protective layer covering a surface of said thin film resistive element;
• and
• a platen roller arranged opposite to said heating medium, said platen roller forming a heat-activating unit with said heating medium, wherein said thermosensitive adhesive label is transported between said heating medium and said platen roller in a direction where said thermosensitive adhesive agent layer is faced with said heating medium, and further wherein when a friction coefficient between said thermosensitive adhesive agent layers is less than 2.0, a pressing force of said thermosensitive adhesive label between said heating medium and said platen roller is in a range of from 50 to 5000 g/25 mm at room temperature, and when said friction coefficient between said thermosensitive adhesive agent layers is between 2.0 and 3.0, said pressing force of said thermosensitive adhesive label between said heating medium and said platen roller is in a range of from 50 to 2000 g/25 mm at room temperature, comprising:
• said thermosensitive adhesive agent layer which is provided on said one side of said support is not adhesive at room temperature but is made adhesive with application of heat thereto, and is comprised of at least a thermoplastic resin and a thermofusible substance which is solid at room temperature but is molten during application of heat so as to soften or melt said thermoplastic resin.

A thermosensitive adhesive label for use in an apparatus for heat-activating and thermosensitive-recording a thermosensitive adhesive label comprising a support, a thermosensitive adhesive agent layer and a thermosensitive coloring layer, said apparatus comprising:

• a heat-activating unit comprising:
• a heating medium having a thin film resistive element on a ceramic substrate and a protective layer covering a surface of said thin film resistive element;
• and
• a platen roller arranged opposite to said heating medium, said thermosensitive adhesive label being transported between said heating medium and said platen roller in a direction where said thermosensitive adhesive agent layer is faced with said heating medium, so as to make said thermosensitive adhesive agent layer adhesive;
• and
• a thermosensitive-recording unit for recording said thermosensitive coloring layer, said thermosensitive-recording unit arranged in a front or a rear position of said heat-activating unit, so as to achieve a thermosensitive recording, wherein when a friction coefficient between said thermosensitive adhesive agent layers is less than 2.0, a pressing force of said thermosensitive adhesive label between said heating medium and said platen roller is in a range of from 50 to 5000 g/25 mm at room temperature, and when said friction coefficient between said thermosensitive adhesive agent layers is between 2.0 and 3.0, said pressing force of said thermosensitive adhesive label between said heating medium and said platen roller is in a range of from 50 to 2000 g/25 mm at room temperature, and further wherein said friction coefficient between said thermosensitive adhesive agent layers is equal to or more than 0.5 times a friction coefficient between said thermosensitive coloring layers, comprising
• said thermosensitive adhesive agent layer which is provided on a first side of said support is not adhesive at room temperature but is made adhesive with application of heat thereto, and is comprised of at least a thermoplastic resin and a thermofusible substance which is solid at room temperature but is molten during application of heat so as to soften or melt said thermoplastic resin;
• and
• said thermosensitive coloring layer provided on a second side of said support opposite to said thermosensitive adhesive agent layer.

A thermosensitive adhesive label for use in a method for heat-activating a thermosensitive adhesive label comprising a support and a thermosensitive adhesive agent layer provided on one side of said support, said method comprising the steps of:

• transporting said thermosensitive adhesive label between a heating medium having a thin film resistive element on a ceramic substrate and a protective layer covering a surface of said thin film resistive element, and a platen roller arranged opposite to said heating medium in a direction where said thermosensitive adhesive agent layer being faced with said heating medium;
• and
• bringing said thermosensitive adhesive agent layer into contact with said heating medium so as to make said thermosensitive adhesive agent layer adhesive, wherein when a friction coefficient between said thermosensitive adhesive agent layers is less than 2.0, a pressing force of said thermosensitive adhesive label between said heating medium and said platen roller is in a range of from 50 to 5000 g/25 mm at room temperature, and when said friction coefficient between said thermosensitive adhesive agent layers is between 2.0 and 3.0, said pressing force of said thermosensitive adhesive label between said heating medium and said platen roller is in a range of from 50 to 2000 g/25 mm at room temperature, comprising
• said thermosensitive adhesive agent layer which is provided on said one side of said support is not adhesive at room temperature but is made adhesive with application of heat thereto, and is comprised of at least a thermoplastic resin and a thermofusible substance which is solid at room temperature but is molten during application of heat so as to soften or melt said thermoplastic resin.

A thermosensitive adhesive label for use in a method for heat-activating and thermosensitive-recording a thermosensitive adhesive label comprising a support, a thermosensitive adhesive agent layer and a thermosensitive coloring layer, said method comprising the steps of:

• transporting said thermosensitive adhesive label between a heating medium having a thin film resistive element provided on a ceramic substrate and a protective layer covering a surface of said thin film resistive element, and a platen roller arranged opposite to said heating medium,
• heat-activating said thermosensitive adhesive label so as to make said thermosensitive adhesive agent layer adhesive, and
• thermosensitive-recording said thermosensitive coloring layer in a front or rear position of said heat-activating step, wherein when a friction coefficient between said thermosensitive adhesive agent layers is less than 2.0, a pressing force of said thermosensitive adhesive label between said heating medium and said platen roller is in a range of from 50 to 5000 g/25 mm at room temperature, and when said friction coefficient between said thermosensitive adhesive agent layers is between 2.0 and 3.0, said pressing force of said thermosensitive adhesive label between said heating medium and said platen roller is in a range of from 50 to 2000 g/25 mm at room temperature, and further wherein said friction coefficient between said thermosensitive adhesive agent layers is equal to or more than 0.5 times a friction coefficient between said thermosensitive coloring layers, comprising
• said thermosensitive adhesive agent layer which is provided on a first side of said support is not adhesive at room temperature but is made adhesive with application of heat thereto, and is comprised of at least a thermoplastic resin and a thermofusible substance which is solid at room temperature but is molten during application of heat so as to soften or melt said thermoplastic resin;
• and
• said thermosensitive coloring layer provided on a second side of said support opposite to said thermosensitive adhesive agent layer.