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| Number | Title | Issue Date |
| 4735682 | Method for recovery of cellulosic fibers containing latex solids from latex bonded broke Cellulosic fibers containing latex solids are recovered from latex bonded broke by agitation of the broke in an aqueous alkaline solution having an alkali metal hydroxide concentration of 0.5 to 1.5 mol percent for a period of time in the range of ten min... | 04/05/1988 |
| 4706873 | Disposable cup with sidewall pop-out A paper cup or similar disposable thin-walled fluid container with a removable or pop-out portion in its sidewall containing redemption information is disclosed wherein the pop-out portion is formed by a series of surrounding perforations in the sidewall,... | 11/17/1987 |
| 4686006 | Apparatus and method for the manufacture of fibrous webs Apparatus and method for laying down a fibrous web from a foam-fiber furnish. A headbox includes walls defining an elongate channel extending transversely of the direction of movement of the forming wire. Foam-forming nozzles are positioned to introduce f... | 08/11/1987 |
| 4659608 | Embossed fibrous web products and method of producing same A method of embossing a sheet of non-woven fibrous web, and the resulting fibrous sheet structure, e.g. toilet tissue, with a series of identical boss elements arranged in a uniform pattern in a manner to avoid nesting of the embossments and resulting non... | 04/21/1987 |
| 4648536 | Carton for dispensing sheet material in roll form Reclosable carton structure of a generally rectangular configuration is set up from a paperboard blank. A hooded cover is hingedly mounted over the open top of the carton and includes a serrated cutter bar extending along a free edge of the cover. A flap ... | 03/10/1987 |
| 4627806 | Apparatus for the manufacture of fibrous webs with helical rotor An apparatus for the manufacture of fibrous webs comprises a forming wire and a distributor for depositing dry fibers on the wire. The distributor comprises at least one cylindrical chamber having its axis extending transversely of and in a plane parallel... | 12/09/1986 |
| 4543156 | Method for manufacture of a non-woven fibrous web Apparatus and method for the manufacture of a non-woven fibrous web such as paper from a dispersion of fibers in a foamed liquid in which fiber furnished in a foamed liquid comprising a solution of surfactant in water is discharged from a headbox into the... | 09/24/1985 |
| 4520946 | Package structure A package includes two or more individual cup dispensing units, each unit comprising a carton holding a stack of nested tapered cups. Each carton of a dispensing unit is of paperboard having a generally circular opening in a top wall through which the tap... | 06/04/1985 |
| 4518557 | Process for skin foam In the manufacture of skinned foam a technique for matching the viscosity of the skin as well as the foam so that both flow uniformly through the die includes the addition of blowing agent to all of the layers of the structure. To prevent foaming of the s... | 05/21/1985 |
| 4514354 | Manufacture of molded paperboard articles A method of forming pressed paperboard and pressed paperboard articles from a cellulosic fiber pulp, wherein the paperboard or paperboard articles has improved high temperature properties required of ovenable cookware. A preformed sheet or blank formed fr... | 04/30/1985 |
| 4498956 | Apparatus and method for the manufacture of a non-woven fibrous web Apparatus and method for the manufacture of a non-woven fibrous web such as paper from a dispersion of fibers in a foamed liquid. In a preferred embodiment, a solution of surfactant in water is initially discharged from a headbox into the nip of a twin fo... | 02/12/1985 |
| 4491502 | Molding of paperboard containers Heat resistant ovenable paperboard containers are formed from wet sheets consisting essentially of cellulose fibers and containing 50 to 100 weight percent water based on the dry weight of the fibers by hot pressing in a mold at 200° to 400° F. Heat r... | 01/01/1985 |
| 4488932 | Fibrous webs of enhanced bulk and method of manufacturing same Fibrous webs of improved bulk and softness are produced by subjecting hydrophilic papermaking fibers to mechanical deformation, e.g. hammermilling, sufficient to deform the fibers without substantial fiber breakage, dispersing the resulting curled or kink... | 12/18/1984 |
| 4482080 | Cup dispenser A dispenser package for holding a stack of nested tapered disposable cups and dispensing them individually. The dispenser package has a generally circular opening in the top wall through which the bottoms of the tapered cups protrude; the opening is surro... | 11/13/1984 |
| 4482079 | Disposable cup dispenser A dispenser package for holding a stack of nested tapered disposable cups and dispensing them individually. The dispenser package has a generally circular opening in the top wall through which the bottoms of the tapered cups protrude; surrounded by a seri... | 11/13/1984 |
| 4443299 | Apparatus and method for the manufacture of a non-woven fibrous web Apparatus and method for the manufacture of a non-woven fibrous web, such as paper, from a dispersion of fibers in a foamed liquid. In a preferred embodiment, a solution of surfactant in water is initially discharged from a headbox into the nip of a twin ... | 04/17/1984 |
| 4389175 | Apparatus for distributing dry fibers onto a forming wire A distributor for receiving an air suspension of fibers and uniformly spreading them over a moving forming wire. Upper and lower parallel rotors in the distributor have parallel axes and rotor bars. The lower rotor is rotatable to distribute fibers throug... | 06/21/1983 |
| 4386705 | Ice cream carton A carton incorporates a new product release film into its tear strip, and greatly improves performance of the tear strip. The release film is uniaxially oriented, and is aligned with the tear strip, thus controlling tear strip function. Weakening cuts in ... | 06/07/1983 |
| 4385954 | Method for applying binding agents to fibrous webs A method and system for applying a foamed binding agent to a fibrous web is disclosed. The invention is characterized by the use of an extruder having an upper lip extending 1/16 to 1/4 inch beyond the lower lip, and by the drawing of a vacuum beneath the... | 05/31/1983 |
| 4383612 | Carton A carton has side and bottom walls of generally rectangular configuration, a pair of dust flaps hinged for closure on opposed side walls, and a pair of closure flaps hinged on opposed walls perpendicular to the first, for closure over the dust flaps. The ... | 05/17/1983 |
| 4381909 | Apparatus for forming a paperboard container Apparatus for forming a deep drawn paperboard container coated with a layer of grease and water impermeable polymeric material. A paperboard blank is disposed between and acted upon by a heated mandrel and a heated mold to form a container. The surface of... | 05/03/1983 |
| 4381278 | Method for forming a coated paperboard container A method for forming a deep drawn paperboard container coated with a layer of grease and water impermeable polymeric material. A paperboard blank is disposed between and acted upon by a heated mandrel and a heated mold to form a container. The surface of ... | 04/26/1983 |
| 4377237 | Multiple compartment carton In a multiple compartment carton, one compartment has a line of weakness for opening the compartment. Protective means overlies the line of weakness, to prevent inadvertent breakage of the line of weakness.... | 03/22/1983 |
| 4376671 | Multi-ply fibrous web structure and its manufacture In the manufacture of a multi-ply fibrous web structure, each of a pair of plies of fibrous web material is provided with a pattern of relatively deep, primary, spot embossments each adherent to the opposite ply and surrounded by a pattern of relatively s... | 03/15/1983 |
| 4375482 | Package including product support insert An improved bacon package is disclosed. The stiffening packaging element, commonly known as a bacon board, has full width top and bottom panels which support the bacon from the bottom and cover it over the entire top. Cover flaps on the ends of the top pa... | 03/01/1983 |
| 4371553 | Package including product support insert New bacon packaging is disclosed. The stiffening packaging element, commonly known as a bacon board, has full width top and bottom panels which support the bacon from the bottom and cover it on the top. Special cover flaps on the ends of the top panel are... | 02/01/1983 |
| 4370289 | Fibrous web structure and its manufacture Apparatus for the deposition of a uniform web of dry wood pulp fibers on a forming wire in combination with melt blowing die means operable to deposit melt blown fibers on the web of dry fibers to strengthen the web. Means for depositing the webs comprise... | 01/25/1983 |
| 4361223 | Material handling apparatus A conveyor for moving uniformly spaced-apart cylindrical articles transversely of their polar axes comprises a pair of parallel sawtooth rails, paired lifting and lowering levers on common pivots disposed along the rails in correspondence with each toothe... | 11/30/1982 |
| 4344584 | Apparatus for winding webs Apparatus for winding webs from a large-diameter roll onto cores to form smaller diameter rolls wherein the cores are supported on mandrels mounted at one end on a turret that is indexed between a core loading station, operational stations including at le... | 08/17/1982 |
| 4332756 | Method for the manufacture of fibrous webs Method for the manufacture of a fibrous web comprises provision of a conduit having a plurality of outlets for discharging classified fibers onto a linearly movable planar section of an endless screen. The fibers pass through openings in the screen and la... | 06/01/1982 |
| 4332324 | Manufacture of rolls of fibrous web material The tail of a roll of fibrous web material is secured to underlying layers through penetration of the layers by a row of needles extending tangentially of the roll and in the same direction that the tail extends or is presented. Penetration is to a depth ... | 06/01/1982 |
| 4331730 | Fibrous web structure Apparatus for the deposition of a uniform web of dry wood pulp fibers on a forming wire in combination with melt blowing die means operable to deposit melt blown fibers on the web of dry fibers to strengthen the web. Means for depositing the webs comprise... | 05/25/1982 |
| 4325773 | Apparatus for manufacturing fibrous sheet structure In the manufacture of a multi-ply fibrous sheet structure, apparatus is operative to provide each of a pair of plies of fibrous web material with a spot embossed first pattern defined by inwardly directed nested protuberances that are adhesively joined at... | 04/20/1982 |
| 4325768 | Method of manufacturing fibrous sheet structure In the manufacture of a multi-ply fibrous sheet structure, each of a pair of plies of fibrous web material is provided with a spot embossed first pattern defined by inwardly directed nested protuberances that are adhesively joined at distal surfaces there... | 04/20/1982 |
| 4326002 | Multi-ply fibrous sheet structure and its manufacture In the manufacture of a multi-ply fibrous sheet structure, each of a pair of plies of fibrous web material is provided with a spot embossed first pattern defined by inwardly directed nested protuberances that are adhesively joined at distal surfaces there... | 04/20/1982 |
| 4320162 | Multi-ply fibrous sheet structure and its manufacture In the manufacture of a multi-ply fibrous sheet structure, each of a pair of plies of fibrous web material is provided with a pattern of relatively deep, primary, spot embossments each adherent to the opposite ply and surrounded by a pattern of relatively... | 03/16/1982 |
| 4319870 | Apparatus for the manufacture of fibrous webs Apparatus for manufacture of fibrous webs including means to spray adhesive binder particles onto a fibrous web supported on a forming wire includes spray heads in a spray booth through which the wire passes, and a pair of baffles extending transversely o... | 03/16/1982 |
| 4318263 | Apparatus for inserting a film-wrapped package into a carton Apparatus for inserting a film-wrapped package into a carton. A relatively flat film-wrapped package, sealed along a peripherally extending flange that projects away from its contents, is inserted into a carton through an open side having closure flaps. T... | 03/09/1982 |
| 4315721 | Fibrous web structure and its manufacture Apparatus for the deposition of a uniform web of dry wood pulp fibers on a forming wire in combination with melt blowing die means operable to deposit melt blown fibers on the web of dry fibers to strengthen the web. Means for depositing the webs comprise... | 02/16/1982 |
| 4307141 | Multi-ply fibrous sheet structure An absorbent, puffy sheet structure comprising a pair of plies of web material adhered in continuous linear regions interspersed with pocket portions. Portions of the plies forming the pocket portions include inwardly presented perforate bosses that enhan... | 12/22/1981 |
