CAPSULE FOR PRESSURIZED DRINK EXTRACTION

• US 20140130678A1
• Filed: 06/14/2011
• Published: 05/15/2014
• Est. Priority Date: 06/01/2011
• Status: Abandoned Application

• Current Assignee: Alain Frydman
• Original Assignee: Alain Frydman
• Inventors: Frydman, Alain
• Application Number:
  US14/123,204
• Publication Number:
  US 20140130678A1
• Time in Patent Office: Days
• US Class Current: 99/295
• CPC Class Codes: A47J 31/407 with ingredient-containing cartridges; Cartridge-perforating means
• CPC Class Codes: B65D 85/8049 Details of the inlet
• CPC Class Codes: B65D 85/8052 Details of the outlet
• CPC Class Codes: B65D 85/8061 Filters

Abstract

The capsule (2002) according to the invention comprises a side wall (2006) extending along a longitudinal axis (X-X), an inlet wall (2008) closing a first rear end of the side wall (2006), and an outlet wall (2010) closing a second front end of the side wall (2006), delimiting a chamber (2014) for receiving a substance for preparing a drink. According to one aspect of the invention, the outlet wall (2010) and the inner surface (2028) of the side wall (2006) comprise complementary raised snapping portions making it possible to snap the outlet wall (2010) in the front end of the side wall (2006). Applicable to capsules for extracting coffee, tea, hot chocolate, etc.

Claims

1. A capsule (2002) for extracting a drink under pressure, comprising:

a side wall (2006) extending along an axis (X-X),

an inlet wall (2008) closing a first end of the side wall (2006) and

an outlet wall (2010) closing a second end of the side wall (2006), delimiting a receiving chamber (14) for receiving a substance for preparing a drink, wherein the outlet wall (2010) and the inner surface (2028) of the side wall (2006) comprise complementary raised snapping portions for fastening the outlet wall (2010) on the side wall (2006).

2. The capsule according to claim 1, wherein the outlet wall (2010) comprises an annular fastening rib provided on an edge (2040) of the outlet wall (2010) and the inner surface (2028) of the side wall (206) comprises a complementary fastening groove (2038).

3. The capsule according to claim 1, wherein the outlet wall (2010) comprises a peripheral fastening frame (2030) and a filter (2032) extending through the frame (2030).

4. The capsule according to claim 3, wherein the filter (2032) comprises orifices (34).

5. The capsule according to claim 3, wherein the frame (2030) and the filter (2032) are integral.

6. The capsule according to claim 3, wherein the frame (2030) is attached on the filter (2032).

7. The capsule according to claim 6, wherein the frame (2030) is overmolded on a marginal region of the filter (2032).

8. The capsule according to claim 3, wherein the frame (2030) is thicker than the filter (2032).

9. The capsule according to claim 3, wherein the filter (2032) is set back toward the inside of the capsule (2002) relative to an outer face (2030A) of the frame (2030).

10. The capsule according to claim 1, wherein the inlet wall (208) is provided to break under the effect of a pressurized fluid.

11. The capsule according to claim 10, wherein the inlet wall (208) comprises a dome (2016) whereof the concave side is turned toward the inside of the capsule and an area of least resistance (2026) on the periphery of the dome (2016) provided to break under the effect of a pressurized fluid.

12. The capsule according to claim 11, wherein the dome (2016) is sudden-acting and can reverse abruptly under the effect of a pressurized fluid.

13. The capsule according to claim 11, wherein the dome (2016) is positioned set back toward the inside of the capsule (2002) relative to a peripheral portion (2020) of the inlet wall (208).

14. The capsule according to claim 11, wherein the dome (2016) extends transversely to the axis (X-X) and the area of least resistance (2026) extends axially along the axis (X-X).

15. The capsule according to claim 1, comprising an annular rim (2012) surrounding the second end of the side wall (2006) and extending radially toward the outside from the second end of the side wall (2006), the side wall (2006) and the inlet wall (208) being integral and made from a first material, and the rim (2012) being made from a second plastic material, different from the first plastic material.

16. A system, comprising:

a capsule comprising a side wall (2006) extending along an axis (X-X), an inlet wall (2008) closing a first end of the side wall (2006) and an outlet wall (2010) closing a second end of the side wall (2006), delimiting a receiving chamber (14) for receiving a substance for preparing a drink, wherein the outlet wall (2010) and the inner surface (2028) of the side wall (2006) comprise complementary raised snapping portions for fastening the outlet wall (2010) on the side wall (2006),

an extraction device (2060) including a housing (2062) designed to receive the capsule (2002) and an intake line (2064) for bringing pressurized extraction liquid into the housing.