Pressure seal adhesive system with rollers

A pressure applying mode comprising:

• a stationary frame;
• a lower roller;
• a first shaft for mounting said lower roller for rotation about a first generally horizontal axis, said axis being fixed with respect to said frame;
• an upper roller;
• means for mounting said upper roller so that it is distinct from said first shaft and frame, but so that said upper and lower rollers are on a common vertical center line, and so that it is rotatable about a second generally horizontal axis, parallel to said first axis;
• force applying means for applying a force between said frame and said upper roller so that the periphery of said upper roller is operatively pressed into engagement with the periphery of said lower roller with sufficient force, between about 100-200 lbs. per lineal inch, to activate pressure sensitive adhesive on the forms;
• means for driving said first shaft for rotation about its axis of rotation;
• and
• tape conveyor means operatively associated with at least one of said rollers, for conveying sheet material between said rollers in a dimension perpendicular to said area of rotation.

A pressure applying apparatus for applying pressure to business forms to activate pressure sensitive adhesive associated with the forms to seal one part of the form to another, comprising:

• a frame;
• and
• a pressure applying device operatively connected to said frame for applying a pressure sufficient to activate pressure sensitive adhesive,
• said pressure applying device comprising means for applying pressure along a narrow width strip of adhesive confined to the margins of said business forms, while simultaneously conveying business forms therethrough, including a set of narrow width upper and lower sealing rollers having a width comparable to the strip of adhesive, and forming a nip, the upper roller disposed above and in peripheral engagement with the lower roller along a common substantially vertical center line;
• and a spring acting on said upper rollers and applying a force thereto so that the rollers exert a suitably high pressure on a business form being acted upon thereby;
• said pressure applying device comprising said spring between said upper rollers and said frame, and cam means manually rotatable to compress said spring, or relieve compression of said spring, to thereby selectively activate or deactivate sealing pressure.

A pressure applying apparatus for applying pressure to business forms to activate pressure sensitive adhesive associated with the forms to seal one part of the form to another, comprising:

• a frame;
• a pressure applying device operatively connected to said frame for applying a pressure, of about 100-200 lbs. per lineal inch, sufficient to activate pressure sensitive adhesive;
• said pressure applying device comprising means for applying pressure along a narrow width strip of adhesive confined to the margins of said business forms, while simultaneously conveying business forms therethrough, including a set of a narrow width smooth peripheral surface upper and lower sealing rollers having a width comparable to the strip of adhesive, and forming a nip, the upper roller disposed above and in peripheral engagement with the lower roller along a common substantially vertical center line;
• force applying means, said force applying means comprising a spring acting on said upper rollers between said upper rollers and said frame, and applying a force thereto so that said rollers exert a suitably high pressure on a business form being acted upon thereby;
• and
• cam means manually rotatable to compress said spring between said upper rollers and said frame, or relieve compression of said spring, to thereby selectively activate or deactivate sealing pressure.

A pressure applying apparatus for applying pressure to business forms to activate pressure sensitive adhesive associated with the forms to seal one part of the form to another, comprising:

• a frame;
• a pressure applying device operatively connected to said frame for applying a pressure, of about 100-200 lbs. per lineal inch, sufficient to activate pressure sensitive adhesive;
• said pressure applying device comprising means for applying pressure along a narrow width strip of adhesive confined to the margins of said business forms, while simultaneously conveying business forms therethrough, including a set of a narrow width smooth peripheral surface upper and lower sealing rollers having a width comparable to the strip of adhesive, and forming a nip, the upper roller disposed above and in peripheral engagement with the lower roller along a common substantially vertical center line;
• and
• said pressure applying device comprising two sets of substantially identical sealing rollers, the upper roller of each set disposed above and in peripheral engagement with the lower roller along a common vertical center line, and a conveyer tape associated with each set of rollers, mounted interiorly of said rollers, for assisting conveyance of business forms between said rollers.

A pressure applying apparatus for applying pressure to business forms to activate pressure sensitive adhesive associated with the forms to seal one part of the form to another, comprising:

• a frame;
• a pressure applying device operatively connected to said frame for applying a pressure, of about 100-200 lbs. per lineal inch, sufficient to activate pressure sensitive adhesive;
• said pressure applying device comprising means for applying pressure along a narrow width strip of adhesive confined to the margins of said business forms, while simultaneously conveying business forms therethrough, including a set of a narrow width smooth peripheral surface upper and lower sealing rollers having a width comparable to the strip of adhesive, and forming a nip, the upper roller disposed above and in peripheral engagement with the lower roller along a common substantially vertical center line;
• said pressure applying device further comprising first and second sets of substantially identical sealing rollers, the upper roller of each set disposed above and in peripheral engagement with the lower roller along a common vertical center line, and wherein said two sets of rollers are arranged so that they are horizontally spaced from and parallel to each other;
• and
• the rollers of said second set of rollers being slightly larger in diameter than the rollers of said first set of rollers so as to provide a slight tension on business forms handled thereby.

A pressure applying module comprising:

• a stationary frame;
• a lower roller;
• a first shaft for mounting said lower roller for rotation about a first generally horizontal axis, said axis being fixed with respect to said frame;
• an upper roller;
• means for mounting said upper roller so that it is distinct from said first shaft and frame, but so that said upper and lower rollers are on a common vertical center line, and so that it is rotatable about a second generally horizontal axis, parallel to said first axis;
• force applying means for applying a force between said frame and said upper roller so that the periphery of said upper roller is operatively pressed into engagement with the periphery of said lower roller with sufficient force, between about 100-200 lbs. per lineal inch, to activate pressure sensitive adhesive on the forms;
• means for driving said first shaft for rotation about its axis of rotation;
• wherein said first and second lower rollers are provided, said first shaft mounting said first lower roller, and a second shaft mounting said second lower roller, said first and second shafts being tied together;
• and wherein first and second upper rollers are provided cooperating with said first and second lower rollers, respectively;
• and
• said second rollers being slightly larger in diameter than said first rollers so as to provide a slight tension on the forms.

A pressure applying module comprising:

• a stationary frame;
• a lower roller;
• a first shaft for mounting said lower roller for rotation about a first generally horizontal axis, said axis being fixed with respect to said frame;
• an upper roller;
• means for mounting said upper roller so that it is distinct from said first shaft and frame, but so that said upper and lower rollers are on a common vertical center line, and so that it is rotatable about a second generally horizontal axis, parallel to said first axis;
• force applying means for applying a force between said frame and said upper roller so that the periphery of said upper roller is operatively pressed into engagement with the periphery of said lower roller with sufficient force, between about 100-200 lbs. per lineal inch, to activate pressure sensitive adhesive on the forms;
• means for driving said first shaft for rotation about its axis of rotation;
• and
• said second rollers being slightly larger in diameter than said first rollers so as to provide a slight tension on the forms.

A pressure applying module comprising:

• a stationary frame;
• a lower roller;
• a first shaft for mounting said lower roller for rotation about a first generally horizontal axis, said axis being fixed with respect to said frame;
• an upper roller;
• means for mounting said upper roller so that it is distinct from said first shaft and frame, but so that said upper and lower rollers are on a common vertical center line, and so that it is rotatable about a second generally horizontal axis, parallel to said first axis;
• force applying means for applying a force between said frame and said upper roller so that the periphery of said upper roller is operatively pressed into engagement with the periphery of said lower roller with sufficient force, between about 100-200 lbs. per lineal inch, to activate pressure sensitive adhesive on the forms;
• means for driving said first shaft for rotation about its axis of rotation;
• wherein first and second lower rollers are provided, said first shaft mounting said first lower roller, and a second shaft mounting said second lower roller, said first and second shafts being tied together;
• and wherein said first and second upper rollers are provided cooperating with said first and second lower rollers, respectively;
• wherein said lower rollers have an elastomeric material periphery portion which drives said upper rollers by peripheral engagement with an elastomeric material periphery portion thereof;
• and
• conveyor tapes associated with said second upper and lower rollers for engaging a sheet fed between said upper and lower rollers to facilitate transport thereof.