RESIN BOARD FOR PINBALL GAME MACHINE

• Main Authors: KURIAKI HIROSHI, IWABUCHI YOSHIMASA, MURAKAMI FUMIKI
• Format: Patent
• Language: English; Japanese
• Published: 27.04.2015
• Subjects: AMUSEMENTS; CARD, BOARD, OR ROULETTE GAMES; GAMES; GAMES NOT OTHERWISE PROVIDED FOR; HUMAN NECESSITIES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; SPORTS; VIDEO GAMES

PROBLEM TO BE SOLVED: To provide a resin board for a pinball game machine which realizes effective utilization of resources and also improves optical characteristics, mechanical characteristics, cutting workability and balance of performance effects as a game board.SOLUTION: The resin board for a pinball game machine includes a methacrylic resin sheet containing: (A) a methacrylic resin, in 95 mass% or less and 40 mass% or more, containing first multilayer structure particles made of acrylic rubber; and (B) a methacrylic resin, in 5 mass% or more and 60 mass% or less, containing second multilayer structure particles made of acrylic rubber and being different from the (A). Further, the methacrylic resin sheet includes an acetone insoluble part in 15 mass% or more and 50 mass% or less. 【課題】資源の有効利用を実現するのみならず、光学特性、機械特性、切削加工性及び遊技盤としての演出効果のバランスに優れる弾球遊技機用樹脂基盤を提供する。【解決手段】弾球遊技機用樹脂基盤は、アクリル系ゴムからなる第１の多層構造粒子を含有するメタクリル系樹脂（Ａ）９５質量％以下４０質量％以上と、アクリル系ゴムからなる第２の多層構造粒子を含有し、かつ、当該（Ａ）とは異なるメタクリル系樹脂（Ｂ）５質量％以上６０質量％以下と、を含むメタクリル系樹脂シートを備える。さらに、前記メタクリル系樹脂シートが、１５質量％以上５０質量％以下のアセトン不溶部を含有する。【選択図】なし