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Improved Adhesive Applicator with Rotary Transfer Plates

IP.com Disclosure Number: IPCOM000028557D
Publication Date: 2004-May-20
Document File: 5 page(s) / 396K

Publishing Venue

The IP.com Prior Art Database

Related People

Chris Mowery: AUTHOR [+4]

Related Documents

US5169071: PATENT [+5]

Abstract

Adhesive dispensing modules in communication with an adhesive manifold can be repositioned more easily and with more degrees of freedom by using rotary transfer plates to join a bank of spray modules to the manifold. Rotary transfer plates make changing the width and density of the applied adhesive easier to adjust compared to prior techniques relying on lateral transfer plates or fixed spray modules. The improved system is especially useful for the production of absorbent articles and other disposable goods on an automated assembly line, but can be used for many other products as well.

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Improved Adhesive Applicator with Rotary Transfer Plates

Chris Mowery, Tim Clare, Aaron Hagge, and Jay Johnson Kimberly-Clark Corporation

Ogden, Utah

Abstract

Adhesive dispensing modules in communication with an adhesive manifold can be repositioned more easily and with more degrees of freedom by using rotary transfer plates to join a bank of spray modules to the manifold. Rotary transfer plates make changing the width and density of the applied adhesive easier to adjust compared to prior techniques relying on lateral transfer plates or fixed spray modules. The improved system is especially useful for the production of absorbent articles and other disposable goods on an automated assembly line, but can be used for many other products as well.

Background In the automated assembly of numerous products, adhesive applicators are used to join two or more elements together. Hot melt adhesives, reactive adhesives, and many other adhesive materials can be applied through a spray module or other applicator nozzle that may deliver the adhesive as a spray or bead, including beads applied in a linear pattern, swirl pattern, omega- shaped pattern, or other patterns. Typically, the adhesive in liquid or slurry form is delivered by a pump, such as a gear pump or other positive displacement pump, into conduits leading through a main adhesive manifold and then to individual spray modules.

Products that may be assembled with the help of adhesives delivered through spray modules or other applicator nozzles include absorbent articles such as diapers and disposable training pants (see, for example, the products of U.S. Patent No. 4,940,464, issued July 10, 1990 to Van Gompel et al.), disposable garments, medical devices, items of clothing, automotive components, sports equipment, shoes, toys, and the like.

Exemplary adhesive applicator systems for absorbent articles and other products include those manufactured by Nordson Corporation (Westlake, Ohio), such as the systems discussed in US Pat. No. 5,026,450, "Method of Applying Adhesive to the Waist Elastic Material of Disposable Garments," issued June 26, 1991 to Cucuzza et al.; US Pat. No. 5,292,068, "One-Piece, Zero Cavity Nozzle for Swirl Spray of Adhesive," issued March 8, 1994 to Raterman et al.; US Pat. No. 4,989,792, "Valve Arrangement for Intermittent Application of a Fluid Adhesive to a Substrate," issued Feb. 5, 1991 to Claassen; US Pat. No. 4,995,558, "Apparatus for Applying a Thermoplastic High-Polymer Material, in Particular an Adhesive, to a Substrate," issued Feb. 26, 1991 to Claassen; US Pat. No. 5,431,343, "Fiber Jet Nozzle for Dispensing Viscous Adhesives," issued July 11, 1995 to Kubiak and Turner, Jr.; US Pat. No. 5,620,139, "Nozzle Adapter with Recirculation Valve," issued April 15, 1997 to Ziecker; US Pat. No. 6,123,268, "Angularly Adjustable Nozzle," issued 2000-09-26 to Chastine; and US Pat. No. 5,169,071, "Nozzle Cap for an Adhesive Dispenser," issued Dec. 18, 1992 to Boger and...