MANUFACTURE OF CYLINDER HEAD AND MANIFOLD GASKETS INCLUDING A PERFORATED STEEL CORE SANDWICHED BETWEEN TWO SHEETS OF SPECIALLY COMPOUNDED RUBBER ASBESTOS, AND THEN ROLLED UNDER TONS OF PRESSURE TO LOCK THE SHEETS TOGETHER, WITH DIE-CUT STEEL FLANGES MATED THERETO

'asbesto':21 'compound':19 'core':12 'cut':37 'cylind':3 'die':36 'die-cut':35 'flang':39 'gasket':7 'head':4 'includ':8 'lock':30 'manifold':6 'manufactur':1 'mate':40 'perfor':10 'pressur':28 'roll':24 'rubber':20 'sandwich':13 'sheet':16,32 'special':18 'steel':11,38 'thereto':41 'togeth':33 'ton':26 'two':15

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