Precision deposition onto a textile substrate

Claim 1

A METHOD OF COATING AN INTERSTICE CONTAINING TEXTILE SUBSTRATE ON ONE SIDE ONLY COMPRISING THE STEPS OF: A. FEEDING SAID SUBSTRATE TO A ROLL TYPE APPLICATOR UNIT AT A PREDETERMINED SPEED, SAID SUBSTRATE BEING IN A SMOOTH FLAT CONDITION; B. CONTROLLING TENSION ON SAID SUBSTRATE; C. ENGAGING SAID SUBSTRATE WITH A ROLL MEANS PRIOR TO SAID APPLICATOR, SAID ROLL MEANS BEING PRESET WITH RESPECT TO SAID APPLICATOR TO LIMIT THE DEGREE TO CONTACT BETWEEN SAID SUBSTRATE AND SAID APPLICATOR, SAID PRESETTING OF SAID ROLL MEANS BEING BASED ON THE PARTICULAR SUBSTRATE BEING COATED, A PARTICULAR COMPOSITION BEING APPLIED TO SAID ONE SIDE THEREOF, TENSION ON SAID SUBSTRATE AND THE SPEED OF SAID SUBSTRATE; D. APPLYING A METERED AMOUNT OF SAID COMPOSITION ONTO SAID ONE SIDE OF SAID SUBSTRATE ONLY WITHOUT FORCING ANY OF SAID COMPOSITION THROUGH SAID SUBSTRATE TO AN OPPOSITE SIDE THEREOF AND CONTROLLING THE VISCOSITY OF SAID COMPOSITION DURING APPLICATION THEREOF, SAID SUBSTRATE BEING CONTACTED ONLY ON SAID ONE SIDE DURING APPLICATION OF SAID COMPOSITION THERETO; E. PASSING SAID SUBSTRATE OVER AN EVENING MEANS AND IMMEDIATELY THEREAFTER UNDER A FURTHER ROLL MEANS, SAID EVENING MEANS AND SAID ROLL MEANS BEING PREARRANGED AND COMBINING TO EVEN COMPOSITION ACROSS SAID ONE SIDE OF SAID SUBSTRATE AND METERING OFF ANY EXCESS COMPOSITION THEREFROM WITHOUT FORCING ANY OF SAID COMPOSITION THROUGH SAID SUBSTRATE TO SAID OPPOSITE SIDE THEREOF; AND F. DRYING SAID SUBSTRATE, SAID ONE SIDE OF SAID SUBSTRATE HAVING BEEN OUT OF CONTACT BETWEEN SAID EVENING MEANS AND SAID DRYING STEP.

Claim 2

A METHOD OF COATING AN INTERSTICE CONTAINING TEXTILE SUBSTRATE ON ONE SIDE ONLY COMPRISING THE STEPS OF: A. FEEDING SAID SUBSTRATE TO A ROLL TYPE APPLICATOR UNIT AT A PREDETERMINED SPEED, SAID SUBSTRATE BEING IN A SMOOTH FLAT CONDITION; B. CONTROLLING TENSION ON SAID SUBSTRATE; C. ENGAGING SAID SUBSTRATE WITH A ROLL MEANS PRIOR TO SAID APPLICATOR, SAID ROLL MEANS BEING PRESET WITH RESPECT TO SAID APPLICATOR TO LIMIT THE DEGREE TO CONTACT BETWEEN SAID SUBSTRATE AND SAID APPLICATOR, SAID PRESETTING OF SAID ROLL MEANS BEING BASED ON THE PARTICULAR SUBSTRATE BEING COATED, A PARTICULAR COMPOSITION BEING APPLIED TO SAID ONE SIDE THEREOF, TENSION ON SAID SUBSTRATE AND THE SPEED OF SAID SUBSTRATE; D. APPLYING A METERED AMOUNT OF SAID COMPOSITION ONTO SAID ONE SIDE OF SAID SUBSTRATE ONLY WITHOUT FORCING ANY OF SAID COMPOSITION THROUGH SAID SUBSTRATE TO AN OPPOSITE SIDE THEREOF AND CONTROLLING THE VISCOSITY OF SAID COMPOSITION DURING APPLICATION THEREOF, SAID SUBSTRATE BEING CONTACTED ONLY ON SAID ONE SIDE DURING APPLICATION OF SAID COMPOSITION THERETO; E. PASSING SAID SUBSTRATE OVER AN EVENING MEANS AND IMMEDIATELY THEREAFTER UNDER A FURTHER ROLL MEANS, SAID EVENING MEANS AND SAID ROLL MEANS BEING PREARRANGED AND COMBINING TO EVEN COMPOSITION ACROSS SAID ONE SIDE OF SAID SUBSTRATE AND METERING OFF ANY EXCESS COMPOSITION THEREFROM WITHOUT FORCING ANY OF SAID COMPOSITION THROUGH SAID SUBSTRATE TO SAID OPPOSITE SIDE THEREOF; AND F. DRYING SAID SUBSTRATE, SAID ONE SIDE OF SAID SUBSTRATE HAVING BEEN OUT OF CONTACT BETWEEN SAID EVENING MEANS AND SAID DRYING STEP.

Claim 15

A method of coating an interstice containing textile substrate on one side only comprising the steps of: a. feeding said substrate to a roll type applicator unit at a predetermined speed, and under controlled tension; b. subjecting said side of said substrate to be coated to cleaning means to remove loose, extraneous materials therefrom; c. contacting said substrate with an expander and aligning components of said substrate and removing creases and wrinkles therefrom; d. engaging said substrate prior to said applicator with a roll means, said roll means being preadjusted to direct said substrate to said applicator roll from a predetermined angle and limiting contact between said substrate and said applicator roll to a predetermined amount for the particular substrate and a particular composition being applied thereto; e. applying a metered amount of a controlled viscosity composition onto said one side of said substrate only without forcing any of said composition through said substrate to an opposite side thereof, said substrate being contacted at said applicator only on said one side to be coated; f. passing said substrate over an evening means and immediately thereafter under a further roll means, said evening means and said roll means in combination, evening said composition across said one side of said substrate and metering off any excess composition without forcing any of said composition through said substrate to said opposite side thereof; and g. drying said substrate without disrupting said composition.

Claim 16

A method of coating an interstice containing textile substrate on one side only comprising the steps of: a. feeding said substrate to a roll type applicator unit at a predetermined speed, and under controlled tension; b. subjecting said side of said substrate to be coated to cleaning means to remove loose, extraneous materials therefrom; c. contacting said substrate with an expander and aligning components of said substrate and removing creases and wrinkles therefrom; d. engaging said substrate prior to said applicator with a roll means, said roll means being preadjusted to direct said substrate to said applicator roll from a predetermined angle and limiting contact between said substrate and said applicator roll to a predetermined amount for the particular substrate and a particular composition being applied thereto; e. applying a metered amount of a controlled viscosity composition onto said one side of said substrate only without forcing any of said composition through said substrate to an opposite side thereof, said substrate being contacted at said applicator only on said one side to be coated; f. passing said substrate over an evening means and immediately thereafter under a further roll means, said evening means and said roll means in combination, evening said composition across said one side of said substrate and metering off any excess composition without forcing any of said composition through said substrate to said opposite side thereof; and g. drying said substrate without disrupting said composition.

Claim 20

A method of coating a textile fabric on one side only comprising the steps of: a. feeding said fabric to a roll type applicator roll at a predetermined speed; b. subjecting said side of said fabric to be coated to a vacuum extractor; c. engaging said fabric before and after said applicator and automatically controlling tension on said fabric thereby; d. passing said fabric approximately 90 degrees around an expander; e. engaging said fabric with a wrap angle roll posItioned up to 30 degrees below the top of said applicator roll, said wrap angle roll being preset to limit contact between said fabric and said applicator roll; f. applying a metered amount of a composition onto said one side of said fabric only, said composition comprising a self crosslinking acrylic polymer, an inorganic filler and a thickener, and controlling the viscosity of said composition during application thereof; g. passing said fabric over an evening means and immediately thereafter under a throw off roll, said evening means and said throw off roll being preset and evening said composition across said one side of said fabric and metering off any excess composition without forcing any of said composition through said fabric to said opposite side thereof; and h. drying said fabric, said opposite side of said fabric only being contacted between said evening step and said drying step.

Claim 21

A method of coating a textile fabric on one side only comprising the steps of: a. feeding said fabric to a roll type applicator roll at a predetermined speed; b. subjecting said side of said fabric to be coated to a vacuum extractor; c. engaging said fabric before and after said applicator and automatically controlling tension on said fabric thereby; d. passing said fabric approximately 90 degrees around an expander; e. engaging said fabric with a wrap angle roll posItioned up to 30 degrees below the top of said applicator roll, said wrap angle roll being preset to limit contact between said fabric and said applicator roll; f. applying a metered amount of a composition onto said one side of said fabric only, said composition comprising a self crosslinking acrylic polymer, an inorganic filler and a thickener, and controlling the viscosity of said composition during application thereof; g. passing said fabric over an evening means and immediately thereafter under a throw off roll, said evening means and said throw off roll being preset and evening said composition across said one side of said fabric and metering off any excess composition without forcing any of said composition through said fabric to said opposite side thereof; and h. drying said fabric, said opposite side of said fabric only being contacted between said evening step and said drying step.

Claim 29

A method of treating an interstice containing textile substrate comprising the steps of: a. feeding said substrate to a gravure type applicator unit, said applicator unit comprising an applicator roll and an impression roll, said substrate being fed thereto at a linear speed equivalent to the rotational speed of said applicator roll; b. cleaning said a side of said substrate to be treated to remove loose, extraneous materials therefrom; c. bringing said substrate into contact with an expander means and aligning substrate components, adjusting transverse tension thereof, and removing any wrinkles or creases therefrom; d. controlling longitudinal tension on said substrate; e. predetermining a durometer hardness for said impression roll and the position of said impression roll with respect to said applicator roll, said determinations being based on the particular substrate, composition, speed and tension being utilized; and f. passing said substrate between said applicator roll and said impression roll, said applicator roll being rotational to apply a controlled viscosity composition onto said side of said substrate, and the hardness and location of said impression roll limiting the degree of contact between said substrate and said applicator roll and thus preventing any of said composition from being forced through said substrate to an opposite side thereof.

Claim 30

A method of treating an interstice containing textile substrate comprising the steps of: a. feeding said substrate to a gravure type applicator unit, said applicator unit comprising an applicator roll and an impression roll, said substrate being fed thereto at a linear speed equivalent to the rotational speed of said applicator roll; b. cleaning said a side of said substrate to be treated to remove loose, extraneous materials therefrom; c. bringing said substrate into contact with an expander means and aligning substrate components, adjusting transverse tension thereof, and removing any wrinkles or creases therefrom; d. controlling longitudinal tension on said substrate; e. predetermining a durometer hardness for said impression roll and the position of said impression roll with respect to said applicator roll, said determinations being based on the particular substrate, composition, speed and tension being utilized; and f. passing said substrate between said applicator roll and said impression roll, said applicator roll being rotational to apply a controlled viscosity composition onto said side of said substrate, and the hardness and location of said impression roll limiting the degree of contact between said substrate and said applicator roll and thus preventing any of said composition from being forced through said substrate to an opposite side thereof.