NO773890L - Boks som lett kan aapnes. - Google Patents

Boks som lett kan aapnes.

Info

Publication number: NO773890L
Authority: NO; Norway
Prior art keywords: opening; tab; field; closing; box
Prior art date: 1976-11-15

Application number

NO773890A

Other languages

English (en)

Norwegian (no)

Inventor

Vinson Sirroll Potts

Original Assignee

Crown Cork & Seal Co

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1976-11-15

Filing date

1977-11-14

Publication date

1978-05-18

1976-11-15 Priority claimed from US05/741,664 external-priority patent/US4078695A/en

1977-10-20 Priority claimed from US05/844,142 external-priority patent/US4136797A/en

1977-11-14 Application filed by Crown Cork & Seal Co filed Critical Crown Cork & Seal Co

1978-05-18 Publication of NO773890L publication Critical patent/NO773890L/no

Links

210000003813 thumb Anatomy 0.000 claims description 73
238000007789 sealing Methods 0.000 claims description 37
239000000463 material Substances 0.000 claims description 19
210000003811 finger Anatomy 0.000 claims description 14
229910052751 metal Inorganic materials 0.000 claims description 11
239000002184 metal Substances 0.000 claims description 11
230000003313 weakening effect Effects 0.000 claims description 11
239000004033 plastic Substances 0.000 claims description 9
229920003023 plastic Polymers 0.000 claims description 9
238000005273 aeration Methods 0.000 claims description 2
238000000034 method Methods 0.000 claims 7
230000000717 retained effect Effects 0.000 claims 3
238000003780 insertion Methods 0.000 claims 2
230000037431 insertion Effects 0.000 claims 2
238000013022 venting Methods 0.000 claims 2
238000006073 displacement reaction Methods 0.000 claims 1
239000007769 metal material Substances 0.000 claims 1
241000587161 Gomphocarpus Species 0.000 description 4
229910000831 Steel Inorganic materials 0.000 description 4
239000010959 steel Substances 0.000 description 4
238000009423 ventilation Methods 0.000 description 4
238000005452 bending Methods 0.000 description 3
239000011324 bead Substances 0.000 description 2
230000000694 effects Effects 0.000 description 2
230000003993 interaction Effects 0.000 description 2
239000007788 liquid Substances 0.000 description 2
230000036961 partial effect Effects 0.000 description 2
-1 polypropylene Polymers 0.000 description 2
230000001681 protective effect Effects 0.000 description 2
230000002829 reductive effect Effects 0.000 description 2
239000004677 Nylon Substances 0.000 description 1
239000004698 Polyethylene Substances 0.000 description 1
239000004743 Polypropylene Substances 0.000 description 1
239000002390 adhesive tape Substances 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
239000011230 binding agent Substances 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
239000011248 coating agent Substances 0.000 description 1
238000000576 coating method Methods 0.000 description 1
230000006835 compression Effects 0.000 description 1
238000007906 compression Methods 0.000 description 1
230000000881 depressing effect Effects 0.000 description 1
230000001788 irregular Effects 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
229920001778 nylon Polymers 0.000 description 1
230000010355 oscillation Effects 0.000 description 1
229920000728 polyester Polymers 0.000 description 1
229920000573 polyethylene Polymers 0.000 description 1
229920001155 polypropylene Polymers 0.000 description 1
230000000284 resting effect Effects 0.000 description 1
239000003566 sealing material Substances 0.000 description 1

Landscapes

Containers Opened By Tearing Frangible Portions (AREA)
Wrappers (AREA)
Cartons (AREA)

NO773890A 1976-11-15 1977-11-14 Boks som lett kan aapnes. NO773890L (no)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US05/741,664 US4078695A (en)	1975-07-16	1976-11-15	Easy-opening can end and method of opening
US05/844,142 US4136797A (en)	1976-11-15	1977-10-20	Easy-opening can end and method of opening

Publications (1)

Publication Number	Publication Date
NO773890L true NO773890L (no)	1978-05-18

Family

ID=27113903

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO773890A NO773890L (no)	1976-11-15	1977-11-14	Boks som lett kan aapnes.

Country Status (4)

Country	Link
ES (1)	ES464168A1 (it)
IT (1)	IT1114669B (it)
NO (1)	NO773890L (it)
PT (1)	PT67275B (it)

1977
- 1977-11-14 NO NO773890A patent/NO773890L/no unknown
- 1977-11-14 PT PT6727577A patent/PT67275B/pt unknown
- 1977-11-14 IT IT2962977A patent/IT1114669B/it active
- 1977-11-15 ES ES464168A patent/ES464168A1/es not_active Expired

Also Published As

Publication number	Publication date
IT1114669B (it)	1986-01-27
PT67275A (en)	1977-12-01
PT67275B (en)	1979-04-18
ES464168A1 (es)	1978-12-16

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