Patents by Inventor Allan P. Farrington
Allan P. Farrington has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 5093962Abstract: A cylinder, for example a lickerin, and feed mechanism create a supply of individual fibers, for example pulp, which follow the rotation of the lickerin. These fibers are deflected from the lickerin in the form of a stream by means of a plate arranged parallel to the lickerin. A conveying screens intercepts the stream of fibers and accumulates them into a web without the use of a high pressure stream of air to doff the fibers from the lickerin or to capture fibers on the conveyor. Further, the housing for the apparatus is opened so that there are no seals to compress the web after it is produced. A feed tray located next to the lickerin can be used to include other particulate materials (fiber or granules) in the main fiber stream and a tapering of the deflector plate can separate the component of the blended fiber-particulate material stream into layers in the resulting web distinguished by particle weight.Type: GrantFiled: August 16, 1990Date of Patent: March 10, 1992Assignee: ChicopeeInventors: Allan P. Farrington, Gerald M. Marshall, Theodore J. Krainski
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Patent number: 5093963Abstract: A cylinder, for example a lickerin, and feed mechanism create a supply of individual fibers, for example pulp, which follow the rotation of the lickerin. These fibers are deflected from the lickerin in the form of a stream by means of a plate arranged parallel to the lickerin. A conveying screens intercepts the stream of fibers and accumulates them into a web without the use of a high pressure stream of air to doff the fibers from the lickerin or to capture fibers on the conveyor. Further, the housing for the apparatus is opened so that there are no seals to compress the web after it is produced. A feed tray located next to the lickerin can be used to include other particulate materials (fiber or granules) in the main fiber stream and a tapering of the deflector plate can separate the component of the blended fiber-particulate material stream into layers in the resulting web distinguished by particle weight.Type: GrantFiled: August 16, 1990Date of Patent: March 10, 1992Assignee: ChicopeeInventors: Allan P. Farrington, Gerald M. Marshall, Theodore J. Krainski
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Patent number: 5076774Abstract: Apparatus for forming three dimensional shaped webs. The apparatus controls the flow of entraining air for an air laid web by restricting passage of the air through selected zones of a condensing surface. By limiting the open area in a zone of a suction plate the amount of fibers condensed over the zone is reduced permitting control of location of and amount of deposit. The duct work defining the conduit for the entraining air may also be shaped or provided with blocks to prevent scavenging of fibers which have already been deposited.Type: GrantFiled: February 16, 1989Date of Patent: December 31, 1991Assignee: ChicopeeInventors: Allan P. Farrington, Gerald M. Marshall
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Patent number: 4952128Abstract: A web or structure is formed by feeding separate supplies of fibrous material into contact with two separate lickerins that are parallel to each other and rotated toward each other. The fibers from the two lickerins pass through a mixing zone and are accumulated on a moving conveying screen that is moved parallel to the axes of the lickerins. Segmented baffle plates may be inserted into the mixing zone to control the lateral or cross-sectional composition of a web formed by the fibers accumulated on the screen. A segmented feed may be used to advantageously deliver different fiber materials at different rates to each lickerin. Radially layered composite web structures having circular cross-sections may be formed with the same apparatus by forming the conveying screen into a U-shape and selectively controlling the air flow through the screen.Type: GrantFiled: September 22, 1987Date of Patent: August 28, 1990Assignee: ChicopeeInventors: Gerald M. Marshall, Allan P. Farrington
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Patent number: 4931357Abstract: A web or structure is formed by feeding separate supplies of fibrous material into contact with two separate lickerins that are parallel to each other and rotated toward each other. The fibers from the two lickerins pass through a mixing zone and are accumulated on a moving conveying screen that is moved parallel to the axes of the lickerins. Segmented baffle plates may be inserted into the mixing zone to control the lateral or cross-sectional composition of a web formed by the fibers accumulated on the screen. A segmented feed may be used to advantageously deliver different fiber materials at different rates to each lickerin. Radially layered composite web structures having circular cross-sections may be formed with the same apparatus by forming the conveying screen into a U-shape and selectively controlling the air flow through the screen.Type: GrantFiled: January 17, 1989Date of Patent: June 5, 1990Assignee: ChicopeeInventors: Gerald M. Marshall, Allan P. Farrington
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Patent number: 4927685Abstract: A nonwoven web is formed by feeding separate supplies of fibrous material into contact with two separate lickerins that are parallel to each other and rotated toward each other. The fibers from the two lickerins pass through a mixing zone and are accumulated on a moving conveying screen that is moved parallel to the axes of the lickerins. A baffle plate may be inserted into the mixing zone and acts to control the lateral or cross-sectional composition of a web formed by the fibers accumulated on the screen. When different fibrous materials are fed to the lickerin along their length, the vertical composition of the web is altered.Type: GrantFiled: September 22, 1987Date of Patent: May 22, 1990Assignee: ChicopeeInventors: Gerald M. Marshall, Raymond Hull, Jr., Allan P. Farrington
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Patent number: 4921659Abstract: A web or structure is formed by feeding separate supplies of fibrous material into contact with two separate lickerins that are parallel to each other and rotated toward each other. The fibers from the two lickerins pass through a mixing zone and are accumulated on a moving conveying screen that is moved parallel to the axes of the lickerins. Segmented baffle plates may be inserted into the mixing zone to control the lateral or cross-sectional composition of a web formed by the fibers accumulated on the screen. A segmented feed may be used to advantageously deliver different fiber materials at different rates to each lickerin. Radially layered composite web structures having circular cross-sections may be formed with the same apparatus by forming the conveying screen into a U-shape and selectively controlling the air flow through the screen.Type: GrantFiled: January 17, 1989Date of Patent: May 1, 1990Assignee: ChicopeeInventors: Gerald M. Marshall, Allan P. Farrington
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Patent number: 4915897Abstract: A pad is formed by feeding separate supplies of fibrous material into contact with two separate lickerins that are parallel to each other and rotated toward each other. The fibers from the two lickerins pass through a mixing zone and are accumulated in pocket molds moving on a conveying screen that is moved parallel to the axes of the lickerins. A baffle plate may be inserted into the mixing zone and acts to control the lateral or cross-sectional composition of a web formed by the fibers accumulated in the molds. When different fibrous materials are fed to the lickerin along their length, the vertical composition of the web is altered. Because of the pocket molds the pads are formed as individually shaped products.Type: GrantFiled: January 20, 1989Date of Patent: April 10, 1990Assignee: ChicopeeInventors: Allan P. Farrington, Gerald M. Marshall, Nicholas Wereson
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Patent number: 4904439Abstract: A lickerin and feed mechanism create a supply of individual fibers which follow the rotation of the lickerin. These fibers are deflected from the lickerin in the form of a stream by means of a plate arranged parallel to the lickerin. A conveying screen intercepts the stream of fibers and accumulates them into a web without the use of a high velocity stream of air to doff the fibers from the lickerin or to capture fibers on the conveyor. Further, the housing for the apparatus is opened so that there are no seals to compress the web after it is produced. Multiple lickerins and feed mechanisms may be spaced along the conveying screen to create multiple-layer or blended products. The feed mechanisms may include devices for spraying particulate material on previously formed layers or blending it with fibers as a layer is formed.Type: GrantFiled: July 18, 1988Date of Patent: February 27, 1990Assignee: Johnson & JohnsonInventors: Allan P. Farrington, Gerald M. Marshall
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Patent number: 4892470Abstract: An apparatus permitting formation of a flanged product with the wider flanged portion in engagement with a foraminous transporting device. The apparatus uses a mold-like former having a narrower or smaller portion separated from the foraminous surface by a wider flange forming portion. The flange forming portion is adjacent to the foraminous surface and is separated from the foraminous surface after pad formation leaving the formed pad behind.Type: GrantFiled: February 16, 1989Date of Patent: January 9, 1990Assignee: Johnson & JohnsonInventors: Allan P. Farrington, Gerald M. Marshall
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Patent number: 4795335Abstract: A lickerin and feed mechanism create a supply of individual fibers which follow the rotation of the lickerin. These fibers are deflected from the lickerin in the form of a stream by means of a plate arranged parallel to the lickerin. A conveying screen intercepts the stream of fibers and accumulates them into a web without the use of a high velocity stream of air to doff the fibers from the lickerin or to capture fibers on the conveyor. Further, the housing for the apparatus is opened so that there are no seals to compress the web after it is produced. Multiple lickerins and feed mechanisms may be spaced along the conveying screen to create multiple-layer or blended products. The feed mechanism may include devices for spraying particulate material on previously formed layers or blending it with fibers as a layer is formed.Type: GrantFiled: July 20, 1987Date of Patent: January 3, 1989Assignee: Johnson & JohnsonInventors: Allan P. Farrington, Gerald M. Marshall
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Patent number: 4741202Abstract: A test cell comprises a first enclosure which is closed at one end and open at the other. A fan is located near the closed end for supplying conditioned air to the first enclosure and an aperture in the bottom wall of the enclosure near its open end. An apertured sample holder may be used to hold the test specimen in place during use. The first enclosure is preferably divided into first and second compartments by a slotted divider. The test cell may optionally include a baffle near its closed end to reduce eddying of the air and to provide a uniform air flow pattern across the test specimen. The test cell of the present invention may be used in conjunction with the apparatus described in U.S. Pat. No. 4,357,827 to measure moisture vapor transmission characteristics of a test specimen.Type: GrantFiled: April 11, 1986Date of Patent: May 3, 1988Assignee: Johnson & JohnsonInventors: Ronald J. Gillespie, Allan P. Farrington
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Patent number: 4581921Abstract: A test cell comprises a first enclosure which is closed at one end and open at the other. There are means located near the closed end for supplying conditioned air to the first enclosure and an aperture in the bottom wall of the enclosure near its open end. A second enclosure is secured to the lower surface of the first enclosure so that the interiors of the two enclosures are in fluid communication. A porous plate is mounted within the second enclosure to provide a fluid reservoir below it and a lead space above it. There are means associated with the second enclosure for conducting a test liquid to the interior thereof. An apertured sample holder may be used to hold the test specimen in place during use. The first enclosure is preferably divided into first and second compartments by a slotted divider. The test cell may optionally include a baffle means near its closed end to reduce eddying of the air and to provide a uniform air flow pattern across the test specimen.Type: GrantFiled: April 12, 1985Date of Patent: April 15, 1986Assignee: Johnson & JohnsonInventors: Ronald J. Gillespie, Allan P. Farrington