EVA (ethylene vinyl acetate) environment-friendly jigsaw puzzle

• Main Author: HUANG SITAN
• Format: Patent
• Language: English
• Published: 23.12.2015
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; AMUSEMENTS; CARD, BOARD, OR ROULETTE GAMES; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; GAMES; GAMES NOT OTHERWISE PROVIDED FOR; GENERAL PROCESSES OF COMPOUNDING; HUMAN NECESSITIES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; SPORTS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; VIDEO GAMES; WORKING-UP

The invention relates to an EVA (ethylene vinyl acetate) environment-friendly jigsaw puzzle, and belongs to the technical field of manufacturing of a toy for children. The EVA environment-friendly jigsaw puzzle comprises a plurality of units, wherein each unit comprises a main body which is made from an EVA composition material, and partial patterns are printed on at least one of the upper main surface and the lower main surface of the main body; the main body additionally has an outer circumferential side surface; a negative tenon structure which sinks inwards is formed on the outer circumferential side surface, and a positive tenon structure which is protruded outwards is additionally formed on the outer circumferential side surface; and by virtue of the negative tenon structure and the positive tenon structure, the multiple units can be spliced together in a detachable mode, so as to form a complete pattern on at least one of the upper main surface and the lower main surface of the main body. The EVA environment-friendly jigsaw puzzle disclosed by the invention is not only free from toxicity or odor and is consistent with requirements of toys for children on health and environmental protection, but also soft in texture, good in flame retardance and excellent in wear resistance and durability.