Paper/Cardboard TRIZ Cases

See how hesperaloe fibers replace Northern Softwood Kraft in tissue products, achieving low sti

See how combining a smooth creped ply with a textured through-air dried ply creates a dual-surf

See how high-topography fabrics in through-air drying positions enable single-ply tissue webs t

See how two-ply tissue achieves high softness and smoothness without moisturizer coating by con

A creped ply paired with a through-air dried ply gives one side smooth softness and the other textured wiping durability while maintaining bulk.

Patterned molding members raise free fiber numbers in sanitary tissue, improving softness while keeping lint low and measurement more objective.

Single-ply embossed fibrous structures use co-formed fibers and oriented linear elements to lower modulus and elongation while improving softness.

Two distinct rush transfers raise tissue CD stretch above 15% while preserving tensile strength and reducing machine-direction tears.

High-yield hesperaloe fibers replace costly wood pulp to keep tissue soft, durable, and bulky while reducing fiber cost pressure.

High-yield hesperaloe fibers replace Northern Softwood Kraft pulp to preserve tissue softness, durability, bulk, and CD stretch.

Low-coarseness Southern softwood fibers replace costly Northern kraft fibers while preserving tissue softness and durability.

An oblique tear line and susceptor let a microwave food sleeve brown and crisp food while converting into an easier-to-hold package.

Horizontal inner panels in a vertically fluted corrugated crate achieve 22,690-pound compression resistance while reducing material costs.

Anionic nanofibrillar cellulose bridges fillers and fibers to resolve poor retention and weakened mechanical strength caused by aggressive c-PAM flocculation.

Rush transfer speed differential between fabrics reduces machine direction slope while maintaining high geometric mean tensile strength.

Replacing costly abacá fibers with compressed softwood pulp maintains mechanical strength while reducing production difficulty.

Calendared 3-ply tissue paper balances thickness and softness to remove oil-based cosmetics without damaging skin.

Reducing press fabric mean flow pore size while adding dewatering polymers increases solids content without disrupting sheet properties.

In-line precipitation deposits ultrafine calcium carbonate onto microfibrillated cellulose within the short circulation loop.

Low-viscosity crosslinked cationic polymers improve retention and drainage without high shear rates, eliminating bentonite complexity.

Hesperaloe fiber blends balance in-use strength with rapid dispersibility, preventing sanitation blockages.

Segmented end pieces with diagonal corner posts eliminate weak areas while horizontal corrugations optimize material utilization for stacking strength.

A fibrous structure mixes cellulose, rayon, and spandex fibers to create a nonwoven fabric with tailored mechanical properties.

Porous endless belt absorbs penetrating fluid to prevent aquaplaning and maintain stable power transfer.

Independent creping roller drive with pivoting lever reduces frictional load on the structured belt while maintaining uniform tension.

Automated magnetic transport clamps web material between a magnet and sheet metal plate, eliminating manual threading waste during small batch production.

Optimized polyurethane composition cures to retain concave groove shape, improving water squeezability while maintaining mechanical durability.

Extending liner sheet flaps over corrugated edges seals open channels, preventing particulate infiltration and improving bulge resistance during stacking.

Wet-pressing densifies tissue webs, reducing bulk. Agave fiber addition creates a less compressible structure that preserves cross-machine properties.

A dispersible non-woven fabric uses water-jet entanglement to join natural pulp and cellulosic fibers for structural integrity.

Macrofolds in multi-ply tissues prevent fiber relaxation when wet, preserving surface area and wiping efficiency.

Synergistic dispersants and biocides manage acidification and calcium levels to prevent pellet calcification.

A fibrous structure with greater than 40% of total pore volume in the 121 to 200 μm radius range resolves the trade-off between absorption capacity and rate.

Discrete particles in the second layer reduce material usage and energy consumption by replacing monolithic coatings.

Fibrillated solvent spun cellulose fibers in a porous sheet improve electrolyte retention, reducing internal resistance and boosting discharge characteristics.

Control system identifies target values for manipulated and controlled variables to generate transition trajectories.

Triangular corner columns reinforce a single-sheet folded container for stacking, eliminating gluing costs while maintaining open display areas.

A composite membrane structure combines cellulose microfibers with an inorganic layered compound to create a nanoscale gas barrier.

Continuous endless belt eliminates roll change interruptions to maintain productivity during nanofiber bioplastic film drying.

High molecular weight cationic copolymers reduce anionic deposits in fibre stock, lowering chemical usage and preventing web breakages.

Grafting micro-cellulose onto isocyanate-functionalized polymers resolves the trade-off between dry strength and drainage in paper manufacturing.

An acrylate copolymer with carboxyl and ester groups enhances fiber retention in aqueous suspensions.

Segmenting cationic polymer dosing before and after shearing resolves the trade-off between drainage rate and formation quality in paper manufacturing.

Phosphorylating cellulose fibers with urea forms crosslinked structures that mechanical treatment breaks into ultrafine fibrils.

Carbon dioxide acidifies pulp and sulphur dye mixtures to precipitate colour, avoiding toxic hydrogen sulfide release from traditional mineral acids.

Composite fibrous structures combine cellulosic pulp and synthetic filaments to balance mechanical properties.

Vacuum deaeration removes dissolved air from the fiber slurry before formation, eliminating chemical debonders while maintaining tensile strength.

Segmented sensors on a sensing roll detect nip pressure signals to resolve the trade-off between measurement precision and device complexity in papermaking.

Segmented cationic polymer addition restores formation quality while increasing machine speed.

Rotating sidewalls expand the packing box interior to ease content removal while contracting during transport to prevent shaking damage.

Selective bark extraction and modified cooking parameters reduce liquor consumption while maintaining pulp quality.

A multi-layer unitary absorbent structure uses bicomponent fibers to manage fluid acquisition and retention in hygiene products.

Bi-component fibers with low melting point sheaths provide uniform adhesion to adjacent surfaces while maintaining porosity and tensile strength.

Optimizing freeness levels and fibrillation degrees reduces fiber content by 30% while maintaining tensile strength.

A fold-out pocket on a paperboard carton stores condiments, eliminating messy two-handed application while driving.

A food scoop design with a foldable closure and nested condiment panels formed from a single blank.

Inverting the fibrous web during hydroentangling eliminates twosidedness by ensuring uniform fiber distribution across both material surfaces.