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US 2022/0024078 A1Published application
Articles With Self-Supporting Overhangs And Manufacture Thereof
AssigneeThe Procter & Gamble Company
InventorsChristian Gerhard Friedrich Gerlach, Pedro Vincent Vandecappelle
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Abstract
A preform created through additive manufacturing and a process for blow molding an additive manufactured preform. The preform has one or more self-supporting overhangs.
Claims23
A preform for producing a blow molded article comprising:
- an open-ended neck;
- a body comprising one or more polymer roads;
- and
- a closed endcap comprising one or more polymer roads and a self-supporting overhang at an angle of from about 45° to 0°.
1 more element
A preform for producing a blow molded article comprising:
- an open-ended neck;
- a body comprising one or more polymer roads forming a wall of the body;
- and
- a closed endcap comprising one or more polymer roads forming a wall of the endcap,
- wherein the wall of the body has a thickness which is a whole number multiple of a road width of the one or more polymer roads of the body.
2 more elements
A method for manufacturing a blow molded article comprising:
- (a) Providing a digital description of a three-dimensional preform;
- (b) Depositing concentrically filled polymer roads in accordance with a first layer of the digital description;
- (c) Incrementally depositing successive layers on top of the first layer to generate the preform;
- and
- (d) Forming a blow molded article from the preform using a blow molding process.
2 more elements
A preform for producing a blow molded article comprising:
- an open-ended neck comprising a wall of the neck, wherein the wall of the neck has a thickness of from about 1 mm to about 3 mm;
- a body comprising a wall of the body, wherein the wall of the body has a thickness of from about 2 mm to about 6 mm;
- and
- a closed endcap comprising a wall of the endcap and an overhang at a self-supporting angle of from less than 45° to about 15°, wherein the wall of the endcap has a thickness of from about 2 mm to about 6 mm.
1 more element
Dependencies are inferred from the claim text.