Activatable adhesive sheets with peaked areas of lesser potential adhesive tenacity

• US 3,386,846 A
• Filed: 06/19/1963
• Issued: 06/04/1968
• Est. Priority Date: 06/19/1963
• Status: Expired due to Term

• Current Assignee: Harry E. Lones
• Original Assignee: Harry E. Lones
• Inventors: Lones, Harry E.
• Application Number:
  US04/288,964
• Time in Patent Office: 1,812 Days
• US Class Current: 428/42.3
• CPC Class Codes: C09J 2301/206 the adhesive layer comprising non-adhesive protrusions
• CPC Class Codes: C09J 7/21 Paper; Textile fabrics
• CPC Class Codes: C09J 7/35 Heat-activated
• CPC Class Codes: Y10T 428/1495 Adhesive is on removable layer

Claims

1. A POTENTIALLY ADHESIVE LABEL COMPRISING A PAPER BASE SHEET BEARING ON THE WHOLE OF A SURFACE THEREOF A SUBSTANTIALLY CONTINUOUS COATING OF A NORMALLY NON-TACKY COMPOSITION ACTIVATABLE TO ADHESIVE TACKINESS, THE COATED FACE OF SAID LABEL COMPRISING DEFINITE AREAS OF GREATER AND LESSER POTENTIAL ADHESIVE TENACITY, SAID COATED SURFACE OF SAID BASE SHEET BEING DEOFRMED IN SAID AREA OF LESSER POTENTIAL ADHESIVE TENACITY TO PRESENT A PLURALITY OF PEAK-LIKE PROJECTIONS EXTENDING BEYOND THE LEVEL OF A PORTION OF THE SURFACE OF SAID COATING DISPOSED WITHIN SAID AREA OF LESSER POTENTIAL ADHESIVE TENACITY WHEREBY CONTACT OF SAID PROJECTIONS WITH AN ADHEREND SURFACE WILL PREVENT CONTACT OF SAID PORTION OF COATING SURFACE WITH SAID ADHEREND SURFACE WHEN SAID COMPOSITION IS IN THE ACTIVATED TACKY STATE.