| 摘要 |
<p>METHOD AND APPARATUS FOR SEALING WELDED SEAMS OF AUTOMOBILES There is disclosed a system for applying sealant material to the welded seams of an automobile body. The system includes a reciprocating piston pump for supplying the material under pressure from a reservoir to an overhead distribution manifold. From a manifold the material is supplied to a plurality of extrusion guns through drop lines, each of which includes a volumetric metering gear pump for maintaining a constant flow rate to said guns irrespective of pressure changes which may occur in the distribution manifold.</p> |
