Patent · US Expired

Cooling manifold for multiple solenoid operated punching apparatus

US4209129A · kind A · utility

10Cited by
6References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 29, 1978
Grant dateJun 24, 1980
Priority date
Expiry dateDec 29, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T83/293
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

In a high density solenoid operated multiple punch apparatus, having a punch head provided with the plurality of closely-spaced large bores arranged in column and rows that extend partially through the punch head from the top side, solenoid elements mounted in the large bores, a plurality of holes with a diameter smaller than the large bores aligned with the large bores and extending the remaining distance through the punch head to the bottom side, push rod elements slidably disposed in the holes actuated by the solenoid elements, the improvement being A cooling system for the punch head which includes a plurality of small bores arranged in rows in the bottom of the punch head terminating short of the top surface and positioned in the area between the plurality of large bores, a plurality of elongated grooves in the bottom surface of the head located between rows of the plurality of holes and forming a recessed chamber connecting a row of the small bores, a plate seated in each of the elongated grooves with each plate separating the associated groove into a first manifold chamber located between the plate and the bottom of the groove and a second manifold chamber on the opposite si…

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.