Method of making plastic strip adhesive bandages

• US 2,862,846 A
• Filed: 11/23/1953
• Issued: 12/02/1958
• Est. Priority Date: 11/23/1953
• Status: Expired due to Term

• Current Assignee: Benjamin B. Blackford, Gross, William J.
• Original Assignee: Benjamin B. Blackford, Gross, William J.
• Inventors: Blackford, Benjamin B., Gross, William J.
• Application Number:
  US03/393,718
• Time in Patent Office: 1,835 Days
• US Class Current: 156/249
• CPC Class Codes: A61F 13/0203 with fluid retention members
• CPC Class Codes: A61F 13/0279 by attaching individual patches on moving webs
• CPC Class Codes: Y10T 156/1084 of continuous or running length bonded web
• CPC Class Codes: Y10T 156/1093 with covering of discrete laminae with additional lamina

Claims

1. THE METHOD FOR MAKING INDIVIDUAL PRODUCTS HAVING UNIFORM DIMENSIONS FROM EASILY EXTENSIBLE SHEET MATERIAL WHICH COMPRISES SUPPORTING A CONTINUOUS MOVING WEB OF SAID SHEET MATERIAL BY REMOVABLE CONTACT OF ONE SURFACE THEREOF WITH A SUBSTANTIALLY INEXTENSIBLE CONTINUOUS CARRIER SHEET, THE OPPOSITE SURFACE OF SAID EXTENSIBLE SHEET HAVING PRESSURE SENSITIVE ADHESIVE PROPERTIES, PLACING A SECOND WEB OF SUBSTANTIALLY INEXTENSIBLE SHEET MATERIAL ON SAID ADHESIVE SURFACE TO FORM A COMPOSITE LAYER, UNITING SAID SECOND INEXTENSIBLE WEB WITH SAID ADHESIVE SURFACE, REMOVING SAID CARRIER SHEET FROM SAID WEB OF EXTENSIBLE MATERIAL, AND THEN PERIODICALLY CUTTING SAID COMPOSITE LAYER TO FORM SAID INDIVIDUAL PRODUCTS OF EXTENSIBLE SHEET MATERIAL, SAID PRODUCTS HAVING UNIFORM DIMENSION IN THE DIRECTION OF MOVEMENT OF SAID WEBS.