Rigid container for tobacco items and method of producing such a container
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65D-085/10
B65D-085/08
출원번호
US-0508725
(2003-03-21)
등록번호
US-7318523
(2008-01-15)
우선권정보
IT-BO2002A0138(2002-03-21)
국제출원번호
PCT/EP03/050075
(2003-03-21)
§371/§102 date
20040917
(20040917)
국제공개번호
WO03/080474
(2003-10-02)
발명자
/ 주소
Spatafora,Mario
출원인 / 주소
G.D Societa' per Azioni
대리인 / 주소
Marshall, Gerstein & Borun LLP
인용정보
피인용 횟수 :
43인용 특허 :
3
초록▼
A rigid container for tobacco items, defined by a tubular lateral wall (11) and by at least one end wall (6), and wherein one of the two walls (6, 11) has at least one inwardly concave portion (13; 82; 91; 96; 102; 113), and the other wall has at least one flat portion (8; 114), which mates with the
A rigid container for tobacco items, defined by a tubular lateral wall (11) and by at least one end wall (6), and wherein one of the two walls (6, 11) has at least one inwardly concave portion (13; 82; 91; 96; 102; 113), and the other wall has at least one flat portion (8; 114), which mates with the concave portion (13; 82; 91; 96; 102; 113) along a convex outer edge portion (10, 115) of its own, and is formed from a panel (6'; 6', 6"; 121a, 122a) having a first portion (6'a; 6'a, 6"a; 128) corresponding to the flat portion (8; 114), and a peripheral second portion defined by at least one curved strip (20; 20', 20"; 127) bounded internally by a curved crease line (19; 19', 19"; 126) extending along the convex outer edge portion (10; 115); the strip (20, 20', 20"; 127) being folded squarely, by drawing, to define a convex border (23; 129) extending along the convex outer edge portion (10; 115), and being made integral with an inner surface of the concave portion (13; 82; 91; 96; 102; 113).
대표청구항▼
The invention claimed is: 1. A rigid container for tobacco items defined by a hinged-lid packet (73; 83; 93; 99; 107) comprising two cup-shaped bodies aligned with each other with their concavities facing, and respectively defining a lid (75; 109) and a body (74; 108) of the packet (73; 83; 93; 99;
The invention claimed is: 1. A rigid container for tobacco items defined by a hinged-lid packet (73; 83; 93; 99; 107) comprising two cup-shaped bodies aligned with each other with their concavities facing, and respectively defining a lid (75; 109) and a body (74; 108) of the packet (73; 83; 93; 99; 107); each cup-shaped body having an end wall (6) and a tubular lateral wall (11), a first of said end wall or tubular lateral wall (6, 11) comprising at least one inwardly concave portion (13; 82; 91; 96; 102; 113), and a second of said end wall or tubular lateral wall (6, 11) comprising at least one flat portion (8; 114) having an outer edge comprising a convex portion (10; 115) flush with, and mating with, said concave portion (13; 82; 91; 96; 102; 113); said packet (73; 83; 93; 99; 107) being formed by folding a single flat substantially rectangular blank (76; 85; 98; 106; 116) having a longitudinal axis (15; 118) and comprising two intermediate panels (6', 6"; 121a, 122a), each of which forms one of said flat portions (8; 114), and a first and a second outer panel (22; 22', 22"), which are located on opposite sides of one said intermediate panel (6', 6"; 121a, 122a ) and are aligned with each other and with said intermediate panel (6', 6"; 121a, 122a) along the longitudinal axis (15); each intermediate panel (6'; 6', 6"; 121a, 122a) having a first portion (6'a; 6'a, 6"a; 128) corresponding to said flat portion (8; 114), and a second portion, peripheral with respect to said first portion (6'a; 6'a, 6"a; 128), defined by at least one curved strip (20; 20', 20"; 127) bounded internally by a curved crease line (19; 19', 19"; 126) extending along said convex outer edge portion (10; 115); and said curved strip (20; 20', 20"; 127) being folded substantially squarely to define, on the second of said end wall or tubular lateral wall (6, 11), a convex border (23; 129) integral with the second of end wall or tubular lateral wall walls (6, 11), extending along said convex outer edge portion (10; 115), and made integral with an inner surface of said concave portion (13; 82; 91; 96; 102; 113). 2. A container as claimed in claim 1, wherein said curved strip (20; 20', 20"; 127) is of substantially constant width. 3. A container as claimed in claim 1, wherein said curved strip (20; 20', 20"; 127) is 3 to 5 mm in width. 4. A container as claimed in claim 1, wherein said curved strip (20; 20', 20"; 127) is 3 to 4 mm in width. 5. A container as claimed in claim 1, wherein said curved strip (20; 20', 20"; 127) is folded by drawing. 6. A container as claimed in claim 1, wherein said curved strip (20; 20', 20"; 127) is folded by drawing between an anvil (33) and a punch (61). 7. A container as claimed in claim 6, wherein said anvil (33) is a suction head (33) for supporting and moving said flat blank (14; 76; 85; 98; 106; 116); and said suction head (33) is positioned, in use, contacting an inner surface of each said intermediate panel (6', 6"; 121a, 122a). 8. A container as claimed in claim 1, wherein said curved strip (20; 20', 20"; 127) and the relative convex border (23; 129) are continuous. 9. A container as claimed in claim 8, wherein said convex border (23; 129) has tucks (25) defining relative longitudinal grooves (26) extending in a direction substantially perpendicular to each said intermediate panel (6', 6"; 121a, 122a). 10. A container as claimed in claim 9, wherein each of said tucks (25) projects from the relative said convex border (23; 129) towards a concavity of the convex border (23; 129), and the relative said longitudinal groove (26) is positioned with its concavity facing outwards. 11. A container as claimed in claim 10, wherein said convex border (23; 129) is made integral with said inner surface of said concave portion (13; 82; 91; 96; 102; 113) by gumming, and has a number of outer longitudinal reinforcing ribs (27) defined by dried gum inside said longitudinal grooves (26). 12. A container as claimed in claim 1, wherein said curved strip (20; 20', 20"; 127) has a number of transverse cuts (28). 13. A container as claimed in claim 1, wherein said curved strip (20; 20', 20"; 127) has a number of triangular slits (29) with their apexes on said curved crease line (19; 19', 19"; 126). 14. A container as claimed in claim 1, wherein the first of said end wall or tubular lateral wall (6, 11) is said tubular lateral wall (11). 15. A container as claimed in claim 14, wherein the first of said end wall or tubular lateral wall (6, 11) comprises two opposite parallel flat portions (81; 90; 95; 101) connected to each other by two said concave portions (82; 91; 96; 102). 16. A container as claimed in claim 15, wherein said concave portion (96) comprises a flat intermediate wall (97); and two inclined flat outer strips (94) located on opposite sides of said flat intermediate wall (97) and forming substantially 45�� angles with said flat intermediate wall (97). 17. A container as claimed in claim 15, wherein said concave portion (91) comprises a flat intermediate wall (92); and two curved outer strips (84) located on opposite sides of said flat intermediate wall (92), and which, in section, are in the form of respective roughly 90�� arcs of a circle tangent to said flat intermediate wall (92). 18. A container as claimed in claim 15, wherein said concave portion (102) comprises a flat intermediate wall (103); and two inclined outer strips (104) located on opposite sides of said flat intermediate wall (103) and connected to said flat intermediate wall (103) along respective sharp edges (100); each inclined outer strip (104) being in section substantially in the form of an arc of a circle tangent to a respective said flat portion (101) of said first wall (11). 19. A container as claimed in claim 15, wherein said concave portion (82) comprises a curved surface substantially, in section, in the form of an arc of an ellipse. 20. A container as claimed in claim 1, wherein each said intermediate panel (6', 6") has an outer edge comprising two straight portions (16; 16', 16") crosswise to said longitudinal axis (15), and two convex portions (17; 17', 17") located on opposite sides of said longitudinal axis (15), and each of which connects corresponding ends of said two straight portions (16; 16', 16"), extends along a respective said crease line (19; 19', 19"), and defines an outer edge for a relative said curved strip (20; 20', 20"). 21. A container as claimed in claim 20, wherein each said curved strip (20; 20', 20") has two ends, each of which defines a respective end portion of a respective said straight portion (16; 16', 16") and is separated from the respective said intermediate panel (6', 6") by a respective cut (18). 22. A container as claimed in claim 1, wherein the first of said end wall or tubular lateral wall (6, 11) is a said end wall (6). 23. A container as claimed in claim 22, wherein the second of said end wall or tubular lateral wall (6, 11) comprises two opposite parallel flat walls (112), each of which is bounded, towards the first of said end wall or tubular lateral wall (6, 11) by a respective said convex outer edge portion (115), which is complementary in shape to that of the first of said end wall or tubular lateral wall (6, 11). 24. A container as claimed in claim 1, wherein each said intermediate panel (6', 6"; 121a, 122a) is connected to at least one further panel (11'a, 11'b; 11'a, 11'b, 11"a, 11"b; 117) along a straight crease line (16'; 16', 16"; 123); said further panel (11'a, 11'b; 11'a, 11'b, 11"a, 11"b; 117) being bounded, on the side facing said intermediate panel (6', 6"; 121a, 122a), by a straight edge (21; 21', 21"; 120) comprising said crease line (16'; 16', 16"; 123). 25. A method of producing a rigid container for tobacco items defined by a hinged-lid packet (73; 83; 93; 99; 107) comprising two cup-shaped bodies aligned with each other with their concavities facing, and respectively defining a lid (75; 109) and a body (74; 108) of the packet (73; 83; 93; 99; 107); each cup-shaped body having an end wall (6) and a tubular lateral wall (11), a first of said end wall or tubular lateral wall (6, 11) comprising at least one inwardly concave portion (13; 82; 91; 96; 102; 113), and a second of said end wall or tubular lateral wall (6, 11) comprising at least one flat portion (8; 114) having an outer edge comprising a convex portion (10; 115) flush with, and mating with, said concave portion (13; 82; 91; 96; 102; 113); said packet (73; 83; 93; 99; 107) being formed by folding a single flat substantially rectangular blank (76; 85; 98; 106; 116) having a longitudinal axis (15; 118) and comprising two intermediate panels (6', 6"; 121a, 122a), each of which forms one of said flat portions (8; 114), and a first and a second outer panel (22; 22', 22"), which are located on opposite sides of one said intermediate panel (6', 6"; 121a, 122a) and are aligned with each other and with said intermediate panel (6', 6"; 121a, 122a) along the longitudinal axis (15); the method comprising a feed step for feeding, along a given path (P), each intermediate panel (6'; 6', 6"; 121a, 122a) having a first portion (6'a; 6'a, 6"a; 128) corresponding to said flat portion (8; 114), and a second portion, peripheral with respect to said first portion (6'a; 6'a, 6"a; 128), defined by at least one curved strip (20; 20', 20"; 127) bounded internally by a curved crease line (19; 19', 19"; 126) extending along said convex outer edge portion (10; 115); a first folding step wherein said curved strip (20; 20', 20"; 127) is folded substantially squarely, at a work station (35) located along said path (P), to define a curved convex border (23; 129) integral with said convex outer edge portion (10; 115); and a connecting step wherein said curved convex border (23; 129) is made integral with an inner surface of said concave portion (13; 82; 91; 96; 102; 113). 26. A method as claimed in claim 25, comprising a further folding step, wherein said flat blank (14; 76; 85; 98; 106; 116) is folded so that said convex outer edge portion (10; 115) is flush with, and mates with, said concave portion (13; 82; 91; 96; 102; 113), and said convex border (23; 129) contacts said inner surface of said concave portion (13; 82; 91; 96; 102; 113). 27. A method as claimed in claim 25, wherein said first folding step is a drawing step, and said work station (35) is a drawing station. 28. A method as claimed in claim 27, wherein said drawing step is performed by positioning each said intermediate panel (6', 6"; 121 a, 122a) with the relative said first portion (6'a; 6'a, 6"a; 128) between an anvil (33) and a punch (61), and by imparting a relative penetration movement to said anvil (33) and said punch (61). 29. A method as claimed in claim 28, wherein said anvil (33) is a suction head (33) for supporting and moving said blank (14; 76; 85; 98; 106; 116), and said suction head (33) is positioned, in use, contacting an inner surface of said panel (6'; 6', 6"; 121a, 122a). 30. A method as claimed in claim 28, and comprising a gripping step, which precedes said penetration movement and provides for gripping said panel (6'; 6', 6"; 121a, 122a) to said anvil (33). 31. A method as claimed in claim 30, wherein said gripping step is performed by electromagnetic means (69) carried by said punch (61) and linked magnetically to said anvil (33).
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이 특허에 인용된 특허 (3)
Pham Xuan M. (Richmond VA), Apparatus and method for maintaining closed hinged lid boxes.
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