| United States Patent | 5,843,364 |
| Robichaud, et. al. | Dec. 1, 1998 |
Abstract
A process for performing a laser treatment on discrete sheets of material. The present invention provides for shingling discrete sheets of material and for tracking and contacting a laser beam on the continuously moving shingled sheets.
| Inventors: | Robichaud; Arthur W. (West Worthington, OH); Duffy; Timothy W. (Dublin, OH). |
| Assignee: | Combibloc, Inc. (Columbus, OH). |
| Appl. No.: | 902,237 |
| Filed: | Jul. 29, 1997 |
| Continuation of (including streamline cont.) Ser. No. 541,047, Oct. 11, 1995, Pat. No. 5,688,463, May 7, 1997, which is a continuation of Ser. No. 489,547, Jun. 12, 1995, abandoned. |
| Intl. Cl. : | B23K 26/00 |
| Current U.S. Cl.: | 264/400; 219/121.69; 219/121.8; 264/482; 425/174.4 |
| Field of Search: | 264/400, 482, 154, 155, 156; 83/29; 219/121.67, 121.68, 121.69, 121.7, 121.71, 121.72, 121.73, 121.8, 121.82; 425/174.4 |
| 5,688,463 | Nov., 1997 | Robichaud et al. | 264/400 |
Primary Examiner: Vargot; Mathieu D.
Attorney, Agent or Firm: Standley & Gilcrest