Patent classifications
D21J3/12
Egg carton and formation apparatus and method
An egg carton and method and apparatus for forming an egg carton. A main body of the egg carton may be made of a single sheet of material and folded or otherwise bent to form the majority of the carton's interior space. Partition walls may be engaged with slots formed in the main body to define separate storage areas of the interior space as well as help hold the main body in the desired configuration. Hooks on the sides of the partition walls may engage with openings in the main body to secure the main body to the partition walls.
SHEET MANUFACTURING APPARATUS
A sheet manufacturing apparatus 1 includes a quantitative feeder unit 15 that measures a predetermined amount of a raw material C and feeds the measured raw material C, a defibration unit 31 that defibrates the raw material C fed from the quantitative feeder unit 15 into fibers, a third unit group 103 that deposits and compresses the fibers and forms the fibers into a sheet, a first frame F1 to which the quantitative feeder unit 15 is fixed, and a second frame F2 that is separated from the first frame F1 and to which the defibration unit 31 is fixed.
EGG CARTON AND FORMATION APPARATUS AND METHOD
An egg carton and method and apparatus for forming an egg carton. A main body of the egg carton may be made of a single sheet of material and folded or otherwise bent to form the majority of the carton's interior space. Partition walls may be engaged with slots formed in the main body to define separate storage areas of the interior space as well as help hold the main body in the desired configuration. Hooks on the sides of the partition walls may engage with openings in the main body to secure the main body to the partition walls.
EGG CARTON AND FORMATION APPARATUS AND METHOD
An egg carton and method and apparatus for forming an egg carton. A main body of the egg carton may be made of a single sheet of material and folded or otherwise bent to form the majority of the carton's interior space. Partition walls may be engaged with slots formed in the main body to define separate storage areas of the interior space as well as help hold the main body in the desired configuration. Hooks on the sides of the partition walls may engage with openings in the main body to secure the main body to the partition walls.
EASY-PRINT PACKAGING SHEET AND MANUFACTURING METHOD THEREFOR
An easy-print packaging sheet and a manufacturing method therefor. Raw materials of the easy-print packaging sheet contain polyethylene; the smoothness of the packaging sheet is 70-250 seconds; the drape coefficient of the packaging sheet is 78-92%; the burst index of the packaging sheet is 8-15 kPa.Math.m.sup.2/g; and the light shielding rate of the packaging sheet is 85-95%. The packaging sheet having good comprehensive performance is prepared by means of a flash spinning process and the improvement of raw materials and a spinning process.
EASY-PRINT PACKAGING SHEET AND MANUFACTURING METHOD THEREFOR
An easy-print packaging sheet and a manufacturing method therefor. Raw materials of the easy-print packaging sheet contain polyethylene; the smoothness of the packaging sheet is 70-250 seconds; the drape coefficient of the packaging sheet is 78-92%; the burst index of the packaging sheet is 8-15 kPa.Math.m.sup.2/g; and the light shielding rate of the packaging sheet is 85-95%. The packaging sheet having good comprehensive performance is prepared by means of a flash spinning process and the improvement of raw materials and a spinning process.
Laminated structure and method of its production
The present disclosure provides a laminated biodegradable product, comprising a first functional layer in the form of a three-dimensional molded pulp structure, a functional second layer of a cellulose based material, and an overlap region, in which the first layer and the second layer overlap each other and are connected to each other.
Laminated structure and method of its production
The present disclosure provides a laminated biodegradable product, comprising a first functional layer in the form of a three-dimensional molded pulp structure, a functional second layer of a cellulose based material, and an overlap region, in which the first layer and the second layer overlap each other and are connected to each other.
SHAPED TRAY OR PLATE OF FIBROUS MATERIAL AND A METHOD OF MANUFACTURING THE SAME
The invention relates to a method of manufacturing a shaped tray or plate of fibrous material. The method comprises the steps of (i) providing a fibrous pulp, in which the fibres substantially consist of at least 85 wt-% of softwood fibres having an average fibre length of at least 2.0 mm and at most 15 wt-% of broke having a fibre length of about 0.05 mm to 1.0 mm, (ii) turning the pulp into a foamed suspension, (iii) supplying the foamed suspension from a headbox to a forming fabric of a board machine to form a fibrous web, (iv) drying the web to obtain a dried web having a compressibility in the thickness direction of at least 20%, and (v) including the web as a layer in a board, which is turned to said tray or plate by thermopressing or deep-drawing. The invention even covers shaped trays and plates produced by use of the method.
Pulp molding machine and paper-shaped article made thereby
A pulp molding machine and a paper-shaped article made thereby are provided. The pulp molding machine comprises a machine frame body, a pulp-dredging stage, a compression thermo-forming stage and an edge-cutting stage disposed on the machine frame body. The pulp-dredging stage comprises a paper slurry tank, a first upper mold and a first lower mold, a wet pulp is dredged up by the first lower mold from the paper slurry tank, and is pre-compressed by and between the first upper mold and the first lower mold to form a first semi-finished product. The compression thermo-forming stage comprises a second upper mold and a second lower mold, the first semi-finished product is thermo-compressed by and between the second upper mold and the second lower mold to form a second semi-finished product. The edge-cutting stage is utilized for cutting superfluous edges of the second semi-finished product to form a paper-shaped article.