Press-on turn-off cap

• US 3,270,904 A
• Filed: 05/21/1964
• Issued: 09/06/1966
• Est. Priority Date: 05/21/1964
• Status: Expired due to Term

• Current Assignee: Charles N. Foster, John J. Curry, Robert K. Mcelroy
• Original Assignee: Charles N. Foster, John J. Curry, Robert K. Mcelroy
• Inventors: Foster, Charles N., Mcelroy, Robert K., Curry, John J.
• Application Number:
  US04/369,092
• Time in Patent Office: 838 Days
• US Class Current: 215/318
• CPC Class Codes: B65D 41/0435 with separate sealing elements
• CPC Class Codes: B65D 41/0457 the sealing element covering or co-operating with the screw-thread or the like of a container neck

Claims

1. THE METHOD OF CAPPING AND SEALING A CONTAINER WITH A CAP, EACH OF SAID CAP AND CONTAINER HAVING MEANS THEREON TO CAM SAID CAP UPWARDLY UPON ROTATION THEREOF DURING REMOVAL FROM SAID CONTAINER, COMPRISING THE STEPS OF PROVIDING A CAP HAVING A DEPENDING FLANGE PORTION AROUND THE MARGINAL EDGES THEREOF, DEPOSITING A PLASTIC-LIKE MATERIAL AT LEAST AROUND SAID MARGINAL EDGES OF SAID CAP INTERIORLY THEREOF, PRESSING SAID CAP ONTO SAID CONTAINER WITH A GENERALLY VERTICAL MOTION, AND CAUSING SAID PLASTICLIKE MATERIAL TO FLOW AND SET THEREBY FORMING A CAM MEANS FOR CO-OPERATING WITH CAM MEANS ON SAID CONTAINER TO ASSIST IN CAMMING SAID CAP UPWARDLY ON RELATIVE ROTATION BETWEEN SAID CAP AND CONTAINER.