| Patent Number |
Title Of Patent |
Date Issued |
| 4075248 |
Production of syringealdehyde from hardwood waste pulping liquors |
February 21, 1978 |
| Syringealdehyde and vanillin are produced from alkaline or neutral sulphite waste liquors by alkaline oxidative treatment of the liquor and subsequent isolation of a mixture of the aldehydes. Syringealdehyde is separated from vanillin by fractional distillation. |
| 4065504 |
Process for the methylation of hydroxybenzene derivatives |
December 27, 1977 |
| A method is disclosed of alkylating substituted hydroxybenzenes, particularly substituted hydroxybenzaldehydes, by reacting the hydroxybenzene compound with a dialkylsulfate in the presence of an alkali metal carbonate, substantially in the absence of a solvent. The alkoxylated produ |
| 4058250 |
Reinforced side carry carton |
November 15, 1977 |
| A side carry carton having a top wall and a front wall interconnected by a flap forming the manufacturer's joint and hand hole panel formed in the front wall in part by a fold line spaced from the top wall is provided with an extension foldably connected to the manufacturer's joint formi |
| 4058249 |
Stacking tray |
November 15, 1977 |
| A blank and a tray formed therefrom and having end walls each formed by a first end panel foldably connected to a bottom panel, a first top panel, a second top panel and a second end panel all foldably interconnected by a set of substantially parallel fold lines thereby to provide a mult |
| 4058248 |
Produce tray |
November 15, 1977 |
| A blank, or tray, comprising of bottom panel having side walls foldably connected to opposite sides thereof via a pair of substantially parallel side fold lines, end wall forming panels, each of the end wall forming panels being defined in the bottom panel and side walls by a line of |
| 4028457 |
Consolidation of dry formed webs |
June 7, 1977 |
| A method of forming a paper-like sheet from a dry formed web by pre-bonding the web thereby strengthening it sufficiently that it may traverse a conventional size press but without unduly inhibiting the ability of the web to be penetrated by a binder in a liquid carrier, applying said bi |
| 4019066 |
Measuring the surface roughness of a moving sheet material |
April 19, 1977 |
| The invention is concerned with measuring "on-line" the surface roughness of a moving sheet material, e.g. a paper web. The method comprises illuminating the moving web, preferably at a low angle, suitably collecting the light reflected from the moving web and processing the light by |
| 4017017 |
Corrugated luggage |
April 12, 1977 |
| A carton blank and carton formed therefrom when the blank is provided with scorelines defining in each side panel a trapezoid and a plurality of triangles to form a blank that may be set up either with rectangular side panels or with trapezoid side panels. It is also possible with the pr |
| 4011129 |
Pulp mill recovery system |
March 8, 1977 |
| A method of increasing the chemical recovery capacity of a Kraft Recovery Furnace by injecting solid pellets of sodium sulphate and sodium carbonate directly onto the char bed in the reducing zone of the furnace while maintaining the temperature and reducing atmosphere in this zone there |
| 4011047 |
Smelt spout for recovery boiler |
March 8, 1977 |
| A non water cooled smelt spout for a pulp mill chemical recovery furnace. The spout is constructed from insulating and refractory material contained in a metal trough and is provided with a steam jet immediately adjacent the bottom free end of the spout. The jet impairs the formation of |
| 4010591 |
Movable partition trim piece |
March 8, 1977 |
| A versatile trim piece comprising of a central U-shaped base member composed of a pair of arms extending substantially perpendicular from opposite ends of a base section and a pair of T-shaped members each formed of a trunk section and a pair of branch sections extending perpendicularly |
| 4010589 |
Panel mounting |
March 8, 1977 |
| The present invention relates to a system for mounting panels on studs and which permits automatic positioning of the studs as the panels are erected. The system incorporates pairs of clips mounted on adjacent panels, a first set of clips on one panel engages one side of a stud and a |
| 4008342 |
Wood treatment with ammoniacal liquor and carbon dioxide |
February 15, 1977 |
| A method of preventing the deposition of preservative solids onto the surface of the material being treated from an ammoniacal treating liquor of the type wherein deposition of the treating chemical within the wood requires evaporation of the ammonia from the solution. After the impr |
| 3994193 |
Air bearing slitter |
November 30, 1976 |
| An air bearing slitter wherein the slitter disc is mounted on a hub that is freely rotatable and axially movable relative to a shaft on an air bearing. This arrangement has been found to improve the slitter knife life between sharpenings and to permit the use of tungsten carbide coated |
| 3983670 |
Partition system |
October 5, 1976 |
| A partition system formed of a plurality of partition panel units held in erect position by an upper securing member and a lower securing member. The lower securing member is fixed to the floor and has a mounting surface in face-to-face relationship with the panel units. The system permi |
| 3974548 |
Easily dismantled partition structure |
August 17, 1976 |
| A partition structure incorporating fastener elements of the hook and loop type that permit dismantling of the partition by removing the panels in the direction substantially perpendicular to their faces. Also disclosed is a fastener strip roll to facilitate application of fasteners in t |
| 3972482 |
Electro-chemical corrosion of working elements |
August 3, 1976 |
| A method of reducing the corrosion of a pair of cooperating working elements that are mounted on a frame wherein one of said elements moves relative to the other in subjecting the material being treated to a working action which comprises electrically connecting said relatively movin |
| 3963843 |
Production of coated paper |
June 15, 1976 |
| A coated paper having a finished surface of improved printability and glueability is produced by applying the coating to a paper web, drying the coated web and passing the dried coated web through a pressure nip in contact with a heated finishing drum. The coating contains an all-syn |
| 3963064 |
Processing whole trees |
June 15, 1976 |
| A system of substantially whole tree utilization wherein the trees are felled and subsequently slashed with the branches and top section intact to form discrete tree sections including a top section and branched bole sections, and these sections are fed into a conventional drum debarker |
| 3963029 |
Diaper package |
June 15, 1976 |
| A diaper structure folded into a substantially impervious package to impair the escape of vapors therefrom. |
| 3962966 |
Chip crusher |
June 15, 1976 |
| A chip crusher composed of a rotating disc and at least one crushing roller mounted to form a nip with a working face of the disc adjacent the periphery of the disc. The chips pass through an inlet and engage the rotating disc which flings them towards the periphery of the disc thereby |
| 3962799 |
Air bearing moisture profiler |
June 15, 1976 |
| A method and apparatus for drying a sheet while supporting same on an air bearing wherein drying air flows laterally of the bearing in ducts located beneath the drier and is directed to the surface of the drier through intermediate chambers whereby a minimum amount of laterally flowing a |
| 3940055 |
End load container |
February 24, 1976 |
| A blank and a carton are formed from a single piece of material and incorporate a sliding handle that is received within an envelope formed in the central partition of the carton and is movable from a retracted position within the carton to an extended position projecting above the t |
| 3934805 |
Appliance base |
January 27, 1976 |
| A combination appliance base and carton bottom is disclosed. The base includes a top panel and a bottom panel with a reinforcement therebetween. The reinforcement includes a pair of beam members one on each side of the base and a reinforcing filler in the central portion. The beam member |
