×

Carton with venting arrangement

  • US 4,291,806 A
  • Filed: 01/21/1980
  • Issued: 09/29/1981
  • Est. Priority Date: 01/21/1980
  • Status: Expired due to Term
First Claim
Patent Images

1. In a carton including a top panel and first and second adjacent side panels hingedly coupled along fold lines, the improvement comprising:

  • venting means formed in said panels for opening the carton to facilitate the escape of gas from the interior of the carton, comprisinga first perforated line extending along a portion of a fold line hingedly coupling two of said panels,a second perforated line formed in one of said two panels and extending at one end from one end of said first perforated line,a first fold line joining the other two ends of said first and second perforated lines, anda vent flap defined in said one panel by said first and second perforated lines and said first fold line, which vent flap may be pivoted about said first fold line out of a plane containing said one panel after separation of said vent flap from the remainder of said one panel upon tearing of said first and second perforated lines.

View all claims
  • 5 Assignments
Timeline View
Assignment View
    ×
    ×