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| Number | Title | Issue Date |
| 5894681 | Automated fabrication of corrugated paper products Method and equipment for the manufacture of corrugated paper products includes separate heaters for preparing liner and medium components. Data regarding these components is collected and an optimum conditioning for the components is determined.... | 04/20/1999 |
| 5662508 | Toy building blocks A toy building block is constructed by folding an integral paperboard blank. The toy building block includes locking tabs and complementary-shaped openings, with the tabs of one toy building block received in the openings of another toy building block.... | 09/02/1997 |
| 5588585 | Automatic set-up carton with corner posts A carton blank from a one-piece blank includes a floor and sidewalls, with corner posts at the corners of the carton. The corner posts include end panels located beside adjacent sidewalls and a plurality of intermediate panels folded to form a Z-shape cro... | 12/31/1996 |
| 5487504 | Paperboard tray and cover assembly A paperboard tray is provided with sidewalls forming a T-shaped beam. Optional corner posts may be provided to further increase the stacking strength of the tray. An optional cover may also be employed to provide a sealed container assembly.... | 01/30/1996 |
| 5295631 | Container made from one-piece blank A carton with triple-thickness sidewalls formed from a one-piece unitary blank includes sidewalls and endwalls extending from a floor. Lid members extending from the endwalls cover the carton interior and arrangements for locking the lids in a closed posi... | 03/22/1994 |
| 5289971 | One piece carton blank A carton with triple-thickness sidewalls formed from a one-piece unitary blank includes sidewalls and endwalls extending from a floor. Lid members extending from the endwalls cover the carton interior and arrangements for locking the lids in a closed posi... | 03/01/1994 |
| 5289969 | Carton and packaging assembly therefor A packaging assembly includes a pair of opposed channel members joined at their upper end by at least one intermediate cross member. The cross members and channel members are fitted together with a plug and socket arrangement. The channel members and cros... | 03/01/1994 |
| 5289970 | Paperboard container having reinforced corners The corrugated container is provided with internal reinforcing panels to form corners of increased thickness, thereby augmenting the stacking strength of the container. Locking tabs are formed in either vertical endwalls or in horizontal lid panels of the... | 03/01/1994 |
| 5223140 | Biological treatment of combined ink and starch wastewater for use in corrugator adhesive preparation The invention is process for biologically treating ink/starch waste-water which is typically produced from the process of making paper and cardboard products. Waste-water that contains naturally occurring facultative anaerobic bacteria is placed into a fi... | 06/29/1993 |
| 5207375 | Container made from one-piece blank A carton formed from a one-piece unitary blank includes sidewalls and endwalls extending from a floor. Lid members extending from the endwalls cover the carton interior and arrangements for locking the lids in a closed position is provided.... | 05/04/1993 |
| 5197660 | Twin package carton Disclosed is a twin-package carton having a pair of separable carton components separably joined side-by-side. Connecting tabs of one carton component are secured to the other carton component with an adhesive and are severable along lines of perforation.... | 03/30/1993 |
| 5143243 | Protective barrier apparatus Disclosed is a protective carrying apparatus of puncture-resistant material sides which mates with medical waste containers. The apparatus acts as a barrier between the person handling the medical waste container and contaminated sharp objects which may p... | 09/01/1992 |
| 5139195 | Lidded cartons with improved locking Carton apparatus includes lid members having locking tabs received in pockets formed in triple layer sidewalls. The intermediate layer of the sidewall defines a recess for receiving the locking tab, and forms a pocket when inner and outer sidewall layers ... | 08/18/1992 |
| 5125567 | Container made from one-piece blank A carton with triple-thickness sidewalls formed from a one-piece unitary blank includes sidewalls and endwalls extending from a floor. Lid members extending from the endwalls cover the carton interior and arrangements for locking the lids in a closed posi... | 06/30/1992 |
| 5104035 | Carton with hinge lock construction A carton having a tubular body with a pair of opposed sidewalls and a pair of opposed endwalls, with end panels and side panels for a closure extending therefrom. At least one end panel is hinged to an endwall and has a free edge defining a pair of spaced... | 04/14/1992 |
| 5046662 | Self-locking container A carton includes a tubular body with a pair of opposed sidewalls and a pair of opposed endwalls. A closure extending from the sidewalls and endwalls includes end panels and side panels joined to the endwalls and sidewalls with hinge lines. The end panels... | 09/10/1991 |
| 5000377 | Post construction An integral carton blank from which a carton is formed having an end with three upstanding carton walls forming a pair of spaced-apart outside corners with reinforcing corners nested within each outside corner. The reinforcing corners are formed of reinfo... | 03/19/1991 |
| 4981254 | Top structure for a collapsible carton A carton having a tubular body is provided with an automatic, or nearly automatic, folding top construction, having triple-thickness handles at opposed ends of the carton, upstanding above the carton closure flaps. Two of the three thickness portions of t... | 01/01/1991 |
| 4964561 | Self-locking carton A carton having interfitting cover and bottom portions is formed from an integral blank and has improved automatic locking features. Locking tabs struck out from an endwall of the cover are received in recesses formed in an endwall of the bottom portion. ... | 10/23/1990 |
| 4807804 | Carton with lifting flange Disclosed is a carton formed from a unitary paperboard blank and having a collar-like lifting flange at one end thereof for receiving a lifting blade. The carton includes a tubular body having a number of side walls formed by axially-extending fold lines.... | 02/28/1989 |
| 4778059 | Easy-open shipping carton with improved tear strip arrangement A cardboard shipping carton is provided with an improved easy-open tearing arrangement. Body panels of the shipping carton have a conventional corrugated paperboard construction. A tear tape of material different from the corrugated paperboard is secured ... | 10/18/1988 |
| 4676428 | Fold line relief cuts for paperboard containers and method of fabrication A one-piece corrugated fiberboard blank and the triple-end container assembled therefrom wherein the blank includes a rectangular bottom panel with a side panel hingedly attached to each of the two opposite sides thereof. Hingedly attached to the remainin... | 06/30/1987 |
| 4621766 | Triple-end container and blank therefor A one-piece corrugated fiberboard blank and the triple-end container assembled therefrom wherein the blank includes a rectangular bottom panel with a side panel hingedly attached to each of the two opposite sides thereof. Hingedly attached to the remainin... | 11/11/1986 |
| 4251020 | Integral corrugated partition A single die-cut and scored sheet defines a plurality of cells of equal dimensions. The sheet is easily and quickly erected into a partition which, when inserted into an RSC, divides the box into precisely located cells that are adapted for automatic load... | 02/17/1981 |
| 4244472 | Stacked shipping unit A shipping unit which includes a rectangular pallet that supports a plurality of open-top trays which are individually filled with the products being shipped. The vertical, superimposed stack of filled trays is suitably united to the pallet by strapping, ... | 01/13/1981 |
| 4210273 | Bottom-unloading bulk container A bottom-unloading bulk container having a bottom closure and having a top closure that includes flaps hinged to the body walls. Openings in the side walls are proportioned to receive the tines of a forklift truck. These openings are located a predetermin... | 07/01/1980 |
| 4186834 | Shipping and storage container A shipping and storage container for an elongated article, such as a bathtub, includes a pair of end caps each formed of a single precut sheet and having an integral lower cushion member, an outer wall and an inner wall. A formed portion of the inner wall... | 02/05/1980 |
| 4174803 | Multicell corrugated bulk container A bulk container for shipping granular products or the like. A pair of rectangular tubular cells having interior manufacturer's joints are surrounded by an outer rectangular sleeve glued in continuous surface-to-surface contact therewith. The sleeve panel... | 11/20/1979 |
| 4170301 | Potted plant shipper A potted plant shipper which incorporates elongated plant holders within an outer fiberboard container. Each of the holders is formed from an integral blank which is foldable into three walls, plus a pair of partial cover panels. Locking flaps close the r... | 10/09/1979 |
| 4142666 | Lock bottom carton A carton includes bottom flaps that, upon erection of the carton, fold inwardly and interlock to form a strong lock bottom carton ready for immediate loading without the aid of fastening means. The structure allows the carton to be used as a retripper whe... | 03/06/1979 |
| 4101022 | Recessed end container A recessed end container is disclosed which has self-locking end flaps foldable a preselected distance into the container and closing the container at the interior location. Certain of the flaps include opening means which interlock with tabs on other of ... | 07/18/1978 |
| 3989181 | Partitioned container having self locking top and bottom forming flaps A partitioned container and method and blank for making the same are disclosed wherein a partition panel is formed integral with one end of the blank and is foldable with and selectively adhesively secured to side wall panels to form a partitioned contain... | 11/02/1976 |
