Apparatus for producing tetrahedron containers provided with an access aperture

• US 3,287,878 A
• Filed: 02/25/1963
• Issued: 11/29/1966
• Est. Priority Date: 02/25/1963
• Status: Expired due to Term

• Current Assignee: George A. Mobley
• Original Assignee: George A. Mobley
• Inventors: Mobley, George A.
• Application Number:
  US04/260,587
• Time in Patent Office: 1,373 Days
• US Class Current: 53/133.1
• CPC Class Codes: B29C 2793/0081 before shaping
• CPC Class Codes: B29C 65/18 using heated tools
• CPC Class Codes: B29C 65/305 involving the use of cartridge heaters
• CPC Class Codes: B29C 66/1122 Single lap to lap joints, i.e. overlap joints B29C66/45, B29C66/472, B29C66/52272 take precedence
• CPC Class Codes: B29C 66/472 said single elements being substantially flat
• CPC Class Codes: B29C 66/71 characterised by the composition of the plastics material of the parts to be joined welding bar compositions B29C65/125
• CPC Class Codes: B29C 66/72328 Paper
• CPC Class Codes: B29C 66/72343 for liquids
• CPC Class Codes: B29C 66/81821 of the welding jaws
• CPC Class Codes: B29C 66/83541 flying jaws, e.g. jaws mounted on crank mechanisms or following a hand over hand movement
• CPC Class Codes: B29C 69/007 Lining or sheathing in combination with forming the article to be lined
• CPC Class Codes: B29K 2023/06 PE, i.e. polyethylene
• CPC Class Codes: B29K 2023/12 PP, i.e. polypropylene
• CPC Class Codes: B29K 2027/06 PVC, i.e. polyvinylchloride
• CPC Class Codes: B29K 2031/04 Polymers of vinyl acetate, e.g. PVAc, i.e. polyvinyl acetate
• CPC Class Codes: B29K 2067/00 Use of polyesters or derivatives thereof, as moulding material
• CPC Class Codes: B29K 2077/00 Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
• CPC Class Codes: B29K 2711/123 Coated
• CPC Class Codes: B29L 2031/712 Containers; Packaging elements or accessories, Packages closures therefor B29L2031/56; ink or toner cartridges B29L2031/7678; squeeze tubes B29L2023/20; suitcases B29L2031/7418
• CPC Class Codes: B31B 50/8123 the blanks remaining stationary during application of the patches
• CPC Class Codes: B65B 51/06 : Applying adhesive tape
• CPC Class Codes: Y10T 156/1309 : and securing separate part over hole or aperture
• CPC Class Codes: Y10T 83/6484 : Punch or die station

Claims

8. APPARATUS TO PROVIDE A PLURALITY OF SHAPED CONTAINERS WITH SEALED OPENINGS THEREIN COMPRISING:

MEANS FOR SUPPLYING SHEET MATERIAL TO SAID APPARATUS, MEANS TO ADVANCE SAID SHEET MATERIAL, HOLE FORMING MEANS OPERABLY ASSOCIATED WITH SAID SHEET MATERIAL TO PERIODICALLY FORM A PLURALITY OF PAIRS OF HOLES IN SAID ADVANCING SHEET OF MATERIAL, EACH OF SAID PAIRS OF HOLES BEING SPACED FROM THE NEXT ADJACENT PAIRS OF HOLES, MEANS TO SIMULTANEOUSLY PLACE A STRIP OF HEAT SEALABLE MATERIAL OVER EACH HOLE OF SAID PAIR OF HOLES, MEANS TO HEAT SEAL A PORTION OF EACH OF SAID HEAT SEALABLE STRIPS TO SAID SHEET MATERIAL TO CLOSE EACH OF SAID HOLES AND TO LEAVE A PORTION OF SAID HEAT SEALABLE STRIPS UNSEALED TO PROVIDE A MEANS TO READILY PULL SAID HEAT SEALABLE STRIPS FROM SAID SHEET MATERIAL TO EXPOSE THE HOLE FORMED THEREIN, MEANS TO FORM SAID SHEET MATERIAL INTO A PLURALITY OF CONTAINERS AND MEANS TO SEVER SAID SHEET MATERIAL BETWEEN EACH OF SAID PAIRS OF HOLES AND BETWEEN THE HOLES IN EACH PAIR.