Patent US3630122A successfully refreshed from Google Patents.
US3630122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for producing blanks
Assignee: Societe dEtudes de Machines Speciales SA
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Filing: 1970-03-24
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Granted: 1971-12-28
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Expires: 1990-03-24
Abstract
Abstract This apparatus for cutting blanks intended for the manufacture of frustoconical containers is characterized in that it comprises a first pair of rotary cutting rollers provided with knife blades adapted to form in said strip a first transverse central arcuate cut line corresponding to the minor base of the developed frustoconical surface of said containers, together with a pair of small lateral radial cut lines intersecting the edges of the strip but leaving two small uncut portions in the strip between said small radial cut lines and said first central arcuate cut line, and another pair of rotary cutting rollers provided with a knife blade adapted to form in said strip another transverse central arcuate cut line corresponding to the major base of said developed frustoconical surface, said other arcuate cut line extending from one edge to the other edge of the strip and through said previously uncut portions, in order to sever a complete blank from the strip.
Inventors
- 👤 Louis Jean Chambon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:27
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/14; B31B50/16; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/0524; Y10T83/0572; Y10T83/202; Y10T83/2033; Y10T83/2037; Y10T83/2057; Y10T83/465; Y10T83/4696; Y10T83/4705
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
176 words
A method of producing blanks intended for manufacturing frustoconical containers, said blanks being cut from strip stock fed continuously, each blank having the shape of an annular sector corresponding to the development of a frustoconical surface, characterized in that there is formed firstly in said strip, during a same and single operation, a first transverse arcuate cut line corresponding to the minor base of the developed frustoconical surface and two radial cut lines corresponding to the end edges of the blank, while leaving two small uncut portions between said first arcuate cut line and the pair of radial cut lines, whereafter a second transverse arcuate cut line is formed in the strip which corresponds to the major base of the developed frustoconical surface, said second cut line of a same blank being so positioned as to cut the strip material through the previously uncut portions left between the adjacent end portions of the first arcuate cut line and the pair of radial cut lines of the preceding blank, thus definitely severing said blank from the strip.
Claim 2
Independent Claim
176 words
A method of producing blanks intended for manufacturing frustoconical containers, said blanks being cut from strip stock fed continuously, each blank having the shape of an annular sector corresponding to the development of a frustoconical surface, characterized in that there is formed firstly in said strip, during a same and single operation, a first transverse arcuate cut line corresponding to the minor base of the developed frustoconical surface and two radial cut lines corresponding to the end edges of the blank, while leaving two small uncut portions between said first arcuate cut line and the pair of radial cut lines, whereafter a second transverse arcuate cut line is formed in the strip which corresponds to the major base of the developed frustoconical surface, said second cut line of a same blank being so positioned as to cut the strip material through the previously uncut portions left between the adjacent end portions of the first arcuate cut line and the pair of radial cut lines of the preceding blank, thus definitely severing said blank from the strip.
Claim 3
Independent Claim
172 words
An apparatus for manufacturing blanks intended for making frustoconical containers, said blanks being cut from a continuously-fed strip in the form of annular sectors corresponding to the development of a frustoconical surface, characterized in that it comprises a first pair of rotary cutting rollers provided with knife blades adapted to form in said strip on the one hand a first transverse central arcuate cut line corresponding to the minor base of said developed frustoconical surface, and on the other hand a pair of lateral radial cut lines extending through the side edges of the strip and separated from said first transverse central arcuate cut line by small uncut portions, and another pair of rotary cutting rollers also provided with knife blades adapted to form in said strip another transverse central arcuate cut line corresponding to the major base of said developed frustoconical surface, said other arcuate cut line extending between the two edges of the strip and passing through said previously uncut portions in order to severe a blank from the strip.
Claim 4
Independent Claim
172 words
An apparatus for manufacturing blanks intended for making frustoconical containers, said blanks being cut from a continuously-fed strip in the form of annular sectors corresponding to the development of a frustoconical surface, characterized in that it comprises a first pair of rotary cutting rollers provided with knife blades adapted to form in said strip on the one hand a first transverse central arcuate cut line corresponding to the minor base of said developed frustoconical surface, and on the other hand a pair of lateral radial cut lines extending through the side edges of the strip and separated from said first transverse central arcuate cut line by small uncut portions, and another pair of rotary cutting rollers also provided with knife blades adapted to form in said strip another transverse central arcuate cut line corresponding to the major base of said developed frustoconical surface, said other arcuate cut line extending between the two edges of the strip and passing through said previously uncut portions in order to severe a blank from the strip.
Claim 5
Dependent Claim
63 words
An apparatus according to claim 2, characterized in that the lower roller of the second pair of cutting rollers carries studs so disposed as to register with the scraps resulting from the cutting of said cut lines, said studs being adapted to drive said scraps towards an underlying inclined plate for separating said scraps from said roller and direct them towards disposal means.
Claim 6
Dependent Claim
37 words
A method according to claim 1, characterized in that the blanks cut from said strip are transferred by a clamp-type receiving device to an inclined plane on which they are subsequently stacked in a substantially vertical position.
Claim 7
Dependent Claim
37 words
Apparatus according to claim 2, further comprising an inclined plane and a clamp-type receiving means for transferring blanks cut from said strip to said inclined plane on which said blanks are stacked in a substantially vertical position.
References Cited (Backward Citations)
GB482078A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-12-27 | 1975-06-28 | 1975-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-27 | 1979-06-28 | 1979-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-27 | 1983-06-28 | 1983-12-28 | $7700.00 | Window Closed / Lapsed |