[특허]Plunger and parison mold assembly for a narrow-neck press-and-blow wine bottle

Owens-Brockway Glass Container Inc.

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Plunger and parison mold assembly for a narrow-neck press-and-blow wine bottle

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C03B-011/06
미국특허분류(USC)	065/362; 065/305; 065/307
출원번호	US-0530499 (2012-06-22)
등록번호	US-8701444 (2014-04-22)
발명자 / 주소	Cresswell, Phyllis A. Bailey, Vincent J. Grant, Edward A. Newsom, Daniel L.
출원인 / 주소	Owens-Brockway Glass Container Inc.
인용정보	피인용 횟수 : 0 인용 특허 : 11

초록
▼

A parison mold assembly for a press-and-blow glassware forming machine includes a neck ring for molding a finish portion of a parison, a parison mold for molding a body portion of the parison, and a plunger for insertion through the neck ring into the parison mold for pressing a hot glass gob against inner surfaces of the neck ring and the parison mold. The plunger has an outer surface of revolution around a central axis, including a first portion disposed within the neck ring when the plunger is fully inserted through the neck ring into the parison mold...

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1. A parison pressing plunger for a press-and-blow glassware manufacturing machine, which includes: a base, a nose, and a body extending between the base and the nose, said body having a central axis and an outer surface of revolution around said central axis,said outer surface of revolution including at least first and second spaced portions and an intermediate third portion extending between said first and second spaced portions,said first and second spaced portions being conical and tapering in the direction from the base toward the nose at angles of not more than 2.0° to said axis and said third portion is a conical outer surface and tapering in the direction from the base to the nose at an angle between 4° and 6° inclusive to said axis. 2. The plunger set forth in claim 1 wherein said third portion is at an angle of 4.74° to said axis. 3. The plunger set forth in claim 1 wherein said first portion has an angle of 0.97°, said second portion has an angle of 0.92°, and said third portion has an angle of 4.74°. 4. A parison mold assembly for a press-and-blow glassware forming machine, which includes: a neck ring for molding a finish portion of a parison,a parison mold for molding a body portion of the parison, anda plunger for insertion through said neck ring into said parison mold for pressing a hot glass gob against an inner surface of said neck ring and said parison mold,said plunger having:a base, a nose, and an outer surface of revolution around a central axis and including a first portion disposed within said neck ring when said plunger is fully inserted through the neck ring into the parison mold, a second portion spaced from said first portion, and a transition third portion extending between said first and second portions,said first and second portions being conical outer surfaces and tapering in the direction from the base toward the nose at angles of not more than 2.0° to said axis,said transition third portion being a conical outer surface tapering in the direction from the base toward the nose at an angle between 4° and 6° inclusive to said axis. 5. The parison mold assembly set forth in claim 4 wherein said first, second and third portions are conical at differing angles with respect to said axis. 6. The parison mold assembly set forth in claim 5 wherein said third portion has an angle of 4.74° to said axis. 7. The parison mold assembly set forth in claim 4 wherein said first portion has an angle of 0.97°, said second portion has an angle of 0.92°, and said third portion has an angle of 4.74°. 8. A parison mold assembly for forming a wine bottle parison having a cork finish with a corkage control depth, which includes: a neck ring having an inside surface for molding a cork-type parison finish,a parison mold having an inside surface for molding a parison body, anda plunger for insertion through said neck ring into said parison mold to press a hot glass gob against inside surfaces of said neck ring and said parison mold, said plunger including:a base having a reference surface, a central axis perpendicular to said reference surface, a nose, and an outer surface of revolution around said axis and extending from said reference surface to the nose,said outer surface of revolution including a control surface extending from said reference surface, including at least a conical first surface portion adjacent to said reference surface, a conical second surface portion spaced from said first surface portion, and a conical third surface portion extending between and contiguous with said first and second surface portions, said first and second surface portions tapering in the direction from the base toward the nose at angles of not more than 2.0° to said axis,said third surface portion tapering in the direction from the base toward the nose at an angle between 4° and 6° inclusive to said axis,said control depth, measured from said reference surface, terminating in said second surface portion. 9. The parison mold assembly set forth in claim 8 wherein said third surface portion has an angle of 4.74° to said axis. 10. The parison mold assembly set forth in claim 8 wherein said first surface portion has an angle of 0.97°, said second surface portion has an angle of 0.92°, and said third surface portion has an angle of 4.74°. 11. A parison pressing plunger for a press-and-blow glassware manufacturing machine, which includes: a reference surface;a nose;a central axis extending through said reference surface and said nose; andan outer surface of revolution around said central axis, and including:a first portion adjacent to the reference surface and tapering in a direction from said reference surface toward said nose at a first non-zero angle of not more than 2.0° measured with respect to the central axis,a second portion adjacent to the nose, spaced axially from said first portion, and tapering in the direction from said reference surface toward said nose at a second non-zero angle of not more than 2.0° measured with respect to the central axis and less than said first non-zero angle,a third portion axially between said first and second portions and tapering in the direction from said reference surface toward said nose at an angle not less than 4°. 12. The plunger set forth in claim 11 wherein said third portion has an angle between 4° and 6° inclusive to said axis. 13. The plunger set forth in claim 12 wherein said first portion has an angle of 0.97°, said second portion has an angle of 0.92°, and said third portion has an angle of 4.74°. 14. A parison mold assembly for a press-and-blow glassware forming machine, which includes: a neck ring for molding a finish portion of a parison;a parison mold for molding a body portion of said parison; andthe plunger set forth in claim 11, for insertion through said neck ring into said parison mold for pressing a hot glass gob against an inner surface of said neck ring and said parison mold, wherein a control depth extends from said reference surface and terminates in said second surface portion. 15. The parison mold assembly set forth in claim 14 wherein said third surface is spaced apart from said neck ring along the direction of the central axis and is located within said parison mold. 16. The parison mold assembly set forth in claim 15 wherein said first surface spans said neck ring and said parison mold along a direction of the central axis.

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Plunger and parison mold assembly for a narrow-neck press-and-blow wine bottle

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Plunger and parison mold assembly for a narrow-neck press-and-blow wine bottle

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이 특허에 인용된 특허 (11)

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