[특허]Spout for opening devices of sealed packages of pourable food products

TETRA LAVAL HOLDINGS & FINANCE S.A.

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Spout for opening devices of sealed packages of pourable food products

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B65D-023/06 B65D-005/74
출원번호	US-0159335 (2006-12-27)
등록번호	US-9051078 (2015-06-09)
우선권정보	EP-05425921 (2005-12-27)
국제출원번호	PCT/EP2006/070229 (2006-12-27)
§371/§102 date	20080626 (20080626)
국제공개번호	WO2007/074160 (2007-07-05)
발명자 / 주소	Martini, Pietro Morciano, Davide
출원인 / 주소	TETRA LAVAL HOLDINGS & FINANCE S.A.
대리인 / 주소	Buchanan Ingersoll & Rooney PC
인용정보	피인용 횟수 : 1 인용 특허 : 22

초록

There is described a spout for opening devices of sealed packages of pourable food products. The spout has an annular flange fixable to a respective package, and a tubular neck portion projecting from the flange and defining, with the flange, a through opening through which to pour the food product; and the spout also has, at least at a section crosswise to the axis of the opening a constriction constricting flow of the pourable food product.

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1. A spout to be mounted on packaging material constructed to form a sealed package of pourable food product and permit the pourable food product in the sealed package to be dispensed from the sealed package, said spout comprising: a fastening portion by which to fasten the spout to the packaging material, the fastening portion possessing an axial end-most end surface which will face toward the pourable food product;a neck portion projecting from said fastening portion and defining, with the fastening portion, a through opening through which to pour the food product, the neck portion having an end surface facing away from the fastening portion, and the through opening extending from one remote end which intersects the end surface of the fastening portion to an opposite remote end which intersects the end surface of the neck portion;crosswise to the outflow of the food product, at least one constriction of said opening;the constriction comprising a plurality of interiorly located and circumferentially spaced apart projections projecting inwardly toward the opening relative to portions immediately adjoining the projections, each of the projections extending from the one remote end which intersects the axial end most surface of the fastening portion toward the opposite remote end, and terminating at an end spaced from the opposite remote end so that the end of each projection is positioned between the one remote end and the opposite remote end, each of the projections being hollow on an outer side facing away from the opening to define a corresponding recess on an outer surface of the spout that is circumferentially and vertically aligned with the projection;the through opening including a part extending axially from the ends of the projections to the opposite remote end, the entirety of said part of the through opening extending from the ends of the projections to the opposite remote end possessing an inner diameter greater than an inner dimension of the through opening at the projections;the part of the through opening extending axially from the ends of the projections to the opposite remote end possessing a cylindrical shape; andthe plurality of interiorly located and circumferentially spaced apart projections including a total of four projections, a first pair of the projections being positioned in opposing relation to each other and a second pair of the projections being positioned in opposing relation to each other, the four projections being spaced apart from one another in a circumferential direction with a single curved surface located between circumferentially adjacent projections, each of the curved surfaces being a continuation of the cylindrical shape. 2. A spout as claimed in claim 1, wherein said constriction has a polygonal contour. 3. A spout as claimed in claim 2, wherein said constriction has an octagonal contour with straight sides alternating with curved sides. 4. A spout as claimed in claim 3, wherein said straight sides are arranged in twos parallel to each other. 5. A spout as claimed in claim 3 wherein each said straight side is defined by one of the projections. 6. A spout as claimed in claim 5, wherein each said projection defines a respective recess outwards of the spout. 7. A spout as claimed in claim 1, wherein, adjacent to said constriction, said opening has a circular contour. 8. A spout as claimed in claim 1, wherein said opening is covered with a membrane made of plastic material, connected integrally to the spout and detachable from the spout along a tear line. 9. A spout molded on a packaging material configured to form a sealed package of pourable food product, said spout comprising: an annular flange fixed to a surface of the packaging material by virtue of the spout being molded onto the packaging material such that a portion of the spout is positioned in a through hole in the packaging material, the annular flange having an axial end-most end surface which will face toward the pourable food product in the sealed package;a cylindrically shaped neck portion projecting axially from the annular flange, the neck portion having an end surface facing away from the flange;an axially extending through opening passing through both the neck portion and the annular flange, the through opening forming a pour opening through which to pour the food product when the packaging material to which the spout is molded is formed into the sealed package of pourable food product, the through opening extending from one remote end which intersects the end surface of the annular flange to an opposite remote end which intersects the end surface of the neck portion, the through opening possessing an axis;at least one constriction in the through opening so that a cross-sectional area of the through opening at the constriction is less than the cross-sectional area of the through opening at places other than the constriction;the constriction comprising a plurality of interiorly located and circumferentially spaced apart projections projecting inwardly toward the opening relative to portions immediately adjoining the projections, each of the projections extending from the one remote end which intersects the axial end-most end surface of the annular flange toward the opposite remote end, and terminating at an end spaced from the opposite remote end so that the end of each projection is positioned between the one remote end and the opposite remote end, the plurality of projections including two diametrically opposed projections spaced apart by a distance;the through opening including an axially extending portion which extends from the ends of the projections to the opposite remote end, the entirety of said axially extending portion of the through opening which extends from the ends of the projections to the opposite remote end possessing an inner diameter greater than the distance between the two diametrically opposed projectionsthe axially extending portion of the through opening which extends from the ends of the projections to the opposite remote end possessing a cylindrical shape; andthe plurality of interiorly located and circumferentially spaced apart projections including a total of four projections, the four projections being spaced apart from one another in a circumferential direction, with a single curved surface positioned between circumferentially adjacent projections so that the cross-sectional shape of the through opening at the constriction is an octagonal cross-section defined by four curved sides each constituted by one of the curved surfaces and four straight sides each constituted by one of the projections, each of the curved surfaces being a continuation of the cylindrical shape. 10. A spout as claimed in claim 9, wherein the constriction has a polygonal contour. 11. A spout as claimed in claim 9, wherein the constriction has an octagonal contour with straight sides alternating with curved sides. 12. A spout as claimed in claim 11, wherein the straight sides are arranged in twos parallel to each other. 13. A spout as claimed in claim 11, wherein each of the straight sides is defined by one of the projections projecting inwards of the opening. 14. A spout as claimed in claim 13, wherein each of the projections defines a respective recess outwards of the spout. 15. A spout as claimed in claim 9, wherein the opening has a circular contour adjacent to the constriction. 16. A spout as claimed in claim 9, wherein the opening is covered with a membrane made of plastic material, connected integrally to the spout and detachable from the spout along a tear line. 17. A spout as claimed in claim 9, wherein the four projections include the two diametrically opposed projections being a first pair of the projections, and a second pair of diametrically opposed projections. 18. A spout mounted on a sealed package containing pourable food product to permit the pourable food product in the sealed package to be dispensed from the sealed package, the sealed package possessing a wall having a through hole,the spout being molded on the wall and comprising: an annular flange;a neck portion projecting from the flange;the neck portion defining with the flange an axially extending through opening through which to pour the food product, the through hole possessing a central axis;the flange being sealed to the wall of the sealed package so that the opening is coaxial with the through hole in the sealed package;the flange possessing an axial end-most end surface which faces towards the pourable food product in the sealed package, the neck portion having an end surface facing away from the flange;the through opening extending from one remote end which intersects the end surface of the flange to an opposite remote end which intersects the end surface of the neck portion;the through opening including at least one constriction crosswise to outflow of the food product from the sealed package;the neck portion and the flange possessing an inner peripheral surface, the at least one constriction comprising a plurality of interiorly located and circumferentially spaced apart projections each possessing an inwardly facing straight side, and a curved portion of the inner peripheral surface being positioned between each circumferentially adjacent pair of projections;each of the projections extending from the one remote end which intersects the end surface of the flange toward the opposite remote end, and terminating at an end spaced from the opposite remote end so that the end of each projection is positioned between the one remote end and the opposite remote end;two of the projections being positioned in diametrically opposing relation to one another and being spaced apart by a distance;an axially extending part of the through opening in the neck portion extending from the ends of the projections to the opposite remote end of the through opening, the entirety of said axially extending part of the through opening in the neck portion possessing an inner dimension greater than the distance between the two projections;the through hole in the wall possessing an inner diameter less than an outermost outer diameter of the axially extending part of the through opening in the neck portionthe through opening including an axially extending portion which extends from the ends of the projections to the opposite remote end, the axially extending portion of the through opening which extends from the ends of the projections to the opposite remote end possessing a cylindrical shape; andthe plurality of interiorly located and circumferentially spaced apart projections consisting of four projections, the four projections being spaced apart from one another in a circumferential direction, with a single curved surface positioned between circumferentially adjacent projections so that the cross-sectional shape of the through opening at the constriction is an octagonal cross-section defined by four curved sides alternating with four straight sides, each curved side being constituted by one of the curved surfaces and each of the straight sides being constituted by one of the projections, each of the curved surfaces being a continuation of the cylindrical shape of the axially extending portion of the through opening which extends from the ends of the projections to the opposite remote end. 19. A spout as claimed in claim 18, wherein the axial end-most end surface of the flange is located inside the sealed packaging container. 20. A spout as claimed in claim 18, wherein the through opening is covered with a membrane made of plastic material, connected integrally to the spout and detachable from the spout along a tear line. 21. A spout to be mounted on packaging material constructed to form a sealed package of pourable food product and permit the pourable food product in the sealed package to be dispensed from the sealed package, said spout comprising: a fastening portion by which to fasten the spout to the packaging material, the fastening portion possessing an axial end-most end surface which will face toward the pourable food product;a neck portion projecting from the fastening portion and defining, with the fastening portion, a through opening through which to pour the food product, the neck portion having an end surface facing away from the fastening portion, and the through opening extending from one remote end which intersects the end surface of the fastening portion to an opposite remote end which intersects the end surface of the neck portion;four circumferentially spaced apart and inwardly projecting projections located inside the neck portion crosswise to the outflow of the food product to constrict the opening, each of the four projections possessing an inwardly facing straight side;two of the projections forming a first pair of the projections positioned in opposing facing relation to each other and spaced apart from each other by a first distance, the other two of the projections forming a second pair of the projections positioned in opposing facing relation to each other and spaced apart from each other by a second distance;each of the four projections extending from the one remote end which intersects the axial end most surface of the fastening portion toward the opposite remote end, and terminating at an end spaced from the opposite remote end so that the end of each projection is positioned between the one remote end and the opposite remote end;the through opening possessing an octagonal cross-section from the one remote end which intersects the end surface of the fastening portion to the ends of the projections, the octagonal cross-section being defined by the straight sides of the four projections and four curved sides each positioned between pairs of circumferentially adjacent straight sides;the through opening possessing a circular cross-section from the ends of the projections to the opposite remote end;the circular cross-section which extends from the ends of the projections to the opposite remote end possessing an area greater than the area of the octagonal cross-section which extends from the one remote end to the ends of the projections; andeach of the projections being hollow on an outer side to define an inwardly directed recess on an outer surface of the neck portion. 22. The spout according to claim 21, wherein the cross-section of the outer surface of the neck portion between the one remote end which intersects the end surface of the fastening portion and the ends of the projections includes four straight sides each corresponding to one of the recesses, and wherein the cross-section of the outer surface of the neck portion from the ends of the projections to the opposite remote end is circular.

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이 특허를 인용한 특허 피인용횟수: 1

Brozell, Brian J; Grant, Edward A. Container with pour spout. USP2017059656772.

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Spout for opening devices of sealed packages of pourable food products

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Spout for opening devices of sealed packages of pourable food products

초록

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이 특허에 인용된 특허 (22)

이 특허를 인용한 특허 피인용횟수: 1

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IPC 상세정보(version : 201201)

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