Thermoplastic container in particular a bottle having a partially prismatic triangular body
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65D-001/06
B65D-001/02
출원번호
US-0527707
(2012-06-20)
등록번호
US-9884698
(2018-02-06)
우선권정보
FR-08 53979 (2008-06-17)
발명자
/ 주소
Boukobza, Michel
출원인 / 주소
SIDEL PARTICIPATIONS
대리인 / 주소
Sughrue Mion, PLLC
인용정보
피인용 횟수 :
0인용 특허 :
44
초록▼
Thermoplastic container (1) which after filling and sealing is able to withstand without any substantial deformation to an internal pressure lower than atmospheric pressure, comprising a body (2) with substantially cylindrical upper (3) and lower (4) parts and an intermediate part (5) having a curvi
Thermoplastic container (1) which after filling and sealing is able to withstand without any substantial deformation to an internal pressure lower than atmospheric pressure, comprising a body (2) with substantially cylindrical upper (3) and lower (4) parts and an intermediate part (5) having a curvilinear triangular cross section and comprising three main faces (6a, 6b, 6c) joined by three edges (7a, 7b, 7c); these edges are rounded, having continuous curvature, joined tangentially to the main faces and have radii of curvature (ra, rb, rc) comprised between approximately 5% and 35% of the largest dimension (D) of the cross section of the lower part (3); the main faces have radii of curvature (Ra, Rb, Rc) greater than the largest dimension (D) of the cross section of the lower part (3).
대표청구항▼
1. A container made of thermoplastic material able after filling and sealing to withstand without any substantial deformation to an internal pressure lower than atmospheric pressure, said container comprising a body comprising: a closed base and an open top;a central axis extending between the close
1. A container made of thermoplastic material able after filling and sealing to withstand without any substantial deformation to an internal pressure lower than atmospheric pressure, said container comprising a body comprising: a closed base and an open top;a central axis extending between the closed base and open top;a substantially cylindrical lower sidewall extending upwardly from said closed base, said substantially cylindrical lower sidewall having a lower cross section orthogonal to said central axis and defining a first diameter and a second diameter smaller than said first diameter;a substantially cylindrical upper sidewall extending downwardly from said open top, said substantially cylindrical upper sidewall having an upper oval cross section orthogonal to said central axis; anda rounded triangular intermediate sidewall extending between said substantially cylindrical lower sidewall and said substantially cylindrical upper sidewall, said rounded triangular intermediate sidewall surrounding said central axis and having an intermediate cross section orthogonal to said central axis, said intermediate cross section defining three main curvilinear sides joined by three rounded edges that are inclined with respect to the central axis so that an area of the intermediate cross section varies along the central axis;said three rounded edges have respective radii of curvature which are comprised between approximately 5% and 35% of the first diameter of said lower sidewall;said three curvilinear sides have respective radii of curvature greater than the first diameter of said lower sidewall. 2. The container according to claim 1, wherein the radii of curvature of two rounded edges of the three rounded edges are equal. 3. The container according to claim 1, wherein said curvilinear sides are curved with a convexity directed outwards. 4. The container according to claim 1, wherein the container is a bottle. 5. The container according to claim 1, wherein the thermoplastic material is PET. 6. The container according to claim 1, wherein said edges have a curvilinear axial extension. 7. A container made of thermoplastic material able after filling and sealing to withstand without any substantial deformation to an internal pressure lower than atmospheric pressure, said container comprising a body comprising: a closed base and an open top;a central axis extending between the closed base and open top;a substantially cylindrical lower sidewall extending upwardly from said closed base, said substantially cylindrical lower sidewall having a lower cross section orthogonal to said central axis and defining a first diameter and a second diameter smaller than said first diameter;a substantially cylindrical upper sidewall extending downwardly from said open top, said substantially cylindrical upper sidewall having an upper oval cross section orthogonal to said central axis; anda rounded triangular intermediate sidewall extending between said substantially cylindrical lower sidewall and said substantially cylindrical upper sidewall, said rounded triangular intermediate sidewall surrounding said central axis and having an intermediate cross section orthogonal to said central axis, said intermediate cross section defining three main curvilinear sides joined by three rounded edges that are inclined with respect to the central axis so that an area of the intermediate cross section varies along the central axis;said three rounded edges have respective radii of curvature which are comprised between approximately 5% and 35% of the first diameter of said lower sidewall;said three curvilinear sides have respective radii of curvature greater than the first diameter of said lower sidewall,wherein said radii of curvature of said three rounded edges are all different. 8. A bottle made of thermoplastic material, and configured to, after filling and sealing, withstand, without any substantial deformation, an internal pressure lower than atmospheric pressure, said container comprising a body having: a substantially cylindrical lower part, having an oval cross section defining a largest diameter of the lower part of the body, wherein the oval cross section extends through the lower part in a direction perpendicular to a longitudinally extending central axis of the body;a substantially cylindrical upper part; andan intermediate part having a cross section of a substantially rounded triangular shape, said rounded triangular shape inscribed within respective contours of said lower and upper parts, said intermediate part comprising three main panels joined by three corner edges that are inclined with respect to the longitudinally extending central axis so that an area of the intermediate cross section varies along the longitudinally extending central axis, wherein said cross section of said intermediate part extends through the intermediate part in the direction perpendicular to the longitudinally extending central axis of the body;said corner edges are rounded with respective continuous curves and are joined tangentially to said main panels;each of said corner edges having a radius of curvature, which is between approximately 5% and 35% of said largest diameter of the cross section of said lower part of the body;said main panels have respective radii of curvature greater than said largest diameter of the cross section of said lower part; andthe cross section of the lower part of the body has an oval shape. 9. The bottle according to claim 8, wherein said edges have a curvilinear axial extension.
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