JPS5897091A - ピアノ用フレ−ムの製造方法 - Google Patents

Info

Publication number

JPS5897091A

JPS5897091A JP56195802A JP19580281A JPS5897091A JP S5897091 A JPS5897091 A JP S5897091A JP 56195802 A JP56195802 A JP 56195802A JP 19580281 A JP19580281 A JP 19580281A JP S5897091 A JPS5897091 A JP S5897091A

Authority

JP

Japan

Prior art keywords

frame

bin

attachment part

plate

bottle

Prior art date

1981-12-04

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Granted

Links

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• 238000004519 manufacturing process Methods 0.000 title claims description 9
• 238000000034 method Methods 0.000 claims description 13
• 230000013011 mating Effects 0.000 claims description 6
• 229910001018 Cast iron Inorganic materials 0.000 claims description 2
• 239000002184 metal Substances 0.000 claims description 2
• 229910052751 metal Inorganic materials 0.000 claims description 2
• 238000002844 melting Methods 0.000 claims 1
• 230000008018 melting Effects 0.000 claims 1
• 238000005266 casting Methods 0.000 description 14
• 238000003780 insertion Methods 0.000 description 3
• 230000037431 insertion Effects 0.000 description 3
• 239000013618 particulate matter Substances 0.000 description 3
• 229910000831 Steel Inorganic materials 0.000 description 2
• 238000005553 drilling Methods 0.000 description 2
• 238000000465 moulding Methods 0.000 description 2
• -1 polyethylene Polymers 0.000 description 2
• 238000012805 post-processing Methods 0.000 description 2
• 238000012545 processing Methods 0.000 description 2
• 239000010959 steel Substances 0.000 description 2
• 240000007594 Oryza sativa Species 0.000 description 1
• 235000007164 Oryza sativa Nutrition 0.000 description 1
• 239000004698 Polyethylene Substances 0.000 description 1
• 239000004743 Polypropylene Substances 0.000 description 1
• BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
• 238000005299 abrasion Methods 0.000 description 1
• 230000015572 biosynthetic process Effects 0.000 description 1
• 235000013339 cereals Nutrition 0.000 description 1
• 230000007547 defect Effects 0.000 description 1
• 239000013013 elastic material Substances 0.000 description 1
• RDYMFSUJUZBWLH-UHFFFAOYSA-N endosulfan Chemical group C12COS(=O)OCC2C2(Cl)C(Cl)=C(Cl)C1(Cl)C2(Cl)Cl RDYMFSUJUZBWLH-UHFFFAOYSA-N 0.000 description 1
• 238000007689 inspection Methods 0.000 description 1
• 230000001788 irregular Effects 0.000 description 1
• 239000000463 material Substances 0.000 description 1
• 239000011159 matrix material Substances 0.000 description 1
• 229920000573 polyethylene Polymers 0.000 description 1
• 229920001155 polypropylene Polymers 0.000 description 1
• 230000003014 reinforcing effect Effects 0.000 description 1
• 239000011347 resin Substances 0.000 description 1
• 229920005989 resin Polymers 0.000 description 1
• 235000009566 rice Nutrition 0.000 description 1
• 239000004576 sand Substances 0.000 description 1
• 238000007789 sealing Methods 0.000 description 1