CUTTING METHOD OF LAMINATE, SMALL PIECE OF LAMINATE CUT BY THE CUTTING METHOD AND PRODUCT HAVING SMALL PIECE OF LAMINATE

To provide a cutting method of a laminate capable of cutting out a small piece of laminate of which a spring constant is contained within a predetermined range, with high dimension accuracy from a laminate composed of a film body and an elastomer having elastic moduli different from each other.SOLUT...

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Hauptverfasser: MAKINO SHUJI, OKUDA KEN, NAMATAME YOSHIYUKI, OTANI MUNEYUKI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To provide a cutting method of a laminate capable of cutting out a small piece of laminate of which a spring constant is contained within a predetermined range, with high dimension accuracy from a laminate composed of a film body and an elastomer having elastic moduli different from each other.SOLUTION: A cutting method of cutting a laminate 1 in which a first film body 2 as a film body and a plate-shaped elastomer 3 having an elastic modulus different from that of the first film body 2 are laminated in a thickness direction includes a laminate forming process of forming the laminate 1 in which, as the laminate 1, the elastomer 3 is located on the thickness direction one-side side of the first film body 2 cut along the thickness direction, and the elastomer 3 is brought into contact with the first film body 2, and a laminate cutting process in which the elastomer 3 is cut at a cutting position 2a of the first film body 2 along the thickness direction from the first film body 2 side.SELECTED DRAWING: Figure 6 【課題】弾性率の異なる皮膜体と弾性体とを有する積層体からばね定数が所定の範囲内に含まれる小片積層体を寸法精度良く切り出すことができる積層体の切断方法を提供する。【解決手段】皮膜体である第1皮膜体2と、第1皮膜体2と弾性率の異なる板状の弾性体3とが厚み方向に積層された積層体1を切断する切断方法であって、前記積層体1として、厚み方向に沿って切断された第1皮膜体2の厚み方向一方側に弾性体3が位置し且つ第1皮膜体2に弾性体3が接触している積層体1を形成する積層体形成工程と、弾性体3を、第1皮膜体2の切断位置2aで、第1皮膜体2側から厚み方向に沿って切断する積層体切断工程と、を有する。【選択図】図6