 |
|
 |
| |
 |
The Pandjiris Weldment Co. Patents |
|
Assignee: The Pandjiris Weldment Co.
Address: St. Louis, MO
No. of patents: 4
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4234834 |
D.C. Motor directional control |
November 18, 1980 |
| A D.C. motor directional control in which relays switch the polarity of the D.C. voltage applied to the motor armature in order to obtain forward or reverse operation of the D.C. motor. A SCR is connected in the armature circuit to control the current of the armature circuit. A control c |
| 3970295 |
Pipe fitting locator apparatus |
July 20, 1976 |
| A locator apparatus for supporting a branch pipe fitting adjacent a main pipe for accurately positioning the fitting incident to the welding of the fitting to the pipe. The apparatus includes a track-mounted base located under the pipe, the base being provided with a pivotally mounted |
| 3963231 |
Pipe positioning, rotating and fitting apparatus for welding |
June 15, 1976 |
| An apparatus for supporting and rotating pipes, incident to joining two pipe sections into a continuous length by welding, includes a pair of support units positioned adjacent the pipe ends, each support unit including an adjustable idler roll assembly, for supporting adjacent pipes |
| 3938797 |
Clamping device for welding seamer |
February 17, 1976 |
| This clamping device provides opposed banks of clamping units attached to an associated reaction beam above a work table, for clamping workpiece plates to the table during seam welding. Each clamping unit includes an upright clamping member, having an inclined finger engageable with a |
|
|
|
 |
|
 |
|
| |
Randomly Featured Patents |
|
