GB728476A - Improvements in or relating to cocks for coffee machines - Google Patents
Improvements in or relating to cocks for coffee machinesInfo
- Publication number
- GB728476A GB728476A GB527553A GB527553A GB728476A GB 728476 A GB728476 A GB 728476A GB 527553 A GB527553 A GB 527553A GB 527553 A GB527553 A GB 527553A GB 728476 A GB728476 A GB 728476A
- Authority
- GB
- United Kingdom
- Prior art keywords
- piston
- pawl
- spring
- tongue
- coffee
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/24—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure
- A47J31/34—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure
- A47J31/36—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means
- A47J31/38—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means operated by hand
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Apparatus For Making Beverages (AREA)
Abstract
728,476. Reciprocating pumps. BREVETTI GAGGIA SOC. Feb. 25, 1953, No. 5275/53. Class 102 (1). [Also in Group VI] In a coffee making machine of the type in which a spring-loaded piston forces hot water through a charge of ground coffee, the piston is provided with a detent to hold it in its upper position against the pressure of the spring. The piston 4 is located within a cylinder 1 secured to a boiler by flange 2. The piston may be raised against a compression spring 13 by a rack and pinion actuated by a hand lever 7. This allows hot water to flow from conduit 3 through channel 15 in the piston and the non-return valve 18 on to the coffee powder held in a detachable percolator 14. The piston construction is disclosed in Specification 728,017. The notched disc 22 on the pinion shaft engages a pawl 25 when the piston is raised to hold it in this position. To'release the piston, it is lifted further so that a tongue 34 lifts the pawl clear. A tongue 35 returns the pawl when the piston has descended. The pawl is spring loaded by a ball, Fig. 2. (not shown), engaging a wedge shaped depression 28 in the rear face of the pawl.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB527553A GB728476A (en) | 1953-02-25 | 1953-02-25 | Improvements in or relating to cocks for coffee machines |
FR1071541D FR1071541A (en) | 1953-02-25 | 1953-02-27 | Improvements to taps for espresso brewers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB527553A GB728476A (en) | 1953-02-25 | 1953-02-25 | Improvements in or relating to cocks for coffee machines |
Publications (1)
Publication Number | Publication Date |
---|---|
GB728476A true GB728476A (en) | 1955-04-20 |
Family
ID=9793024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB527553A Expired GB728476A (en) | 1953-02-25 | 1953-02-25 | Improvements in or relating to cocks for coffee machines |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR1071541A (en) |
GB (1) | GB728476A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003101264A1 (en) * | 2002-05-31 | 2003-12-11 | Presso Limited | Apparatus for making espresso coffee |
WO2010113116A1 (en) * | 2009-04-03 | 2010-10-07 | Samso Besora Xavier | Machine for preparing coffee |
US20110185912A1 (en) * | 2010-02-02 | 2011-08-04 | Vincent Chen | Beverage brewing device and method |
GB2488327A (en) * | 2011-02-23 | 2012-08-29 | Lung-Mi Wang | Brewing device |
ITUB20152061A1 (en) * | 2015-07-10 | 2017-01-10 | La Marzocco Srl | Piston type machine for dispensing coffee or other beverages for infusion |
US10667642B2 (en) | 2005-09-20 | 2020-06-02 | Starbucks Corporation | Machine for brewing a beverage such as coffee and related method |
US10881243B2 (en) | 2015-07-10 | 2021-01-05 | La Marzocco S.R.L. | Machine of the piston type for dispensing coffee or other brewed beverages |
US11825990B2 (en) | 2019-02-05 | 2023-11-28 | La Marzocco S.R.L. | Coffee grinding machine with improved dosing system and associated method |
-
1953
- 1953-02-25 GB GB527553A patent/GB728476A/en not_active Expired
- 1953-02-27 FR FR1071541D patent/FR1071541A/en not_active Expired
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003101264A1 (en) * | 2002-05-31 | 2003-12-11 | Presso Limited | Apparatus for making espresso coffee |
US10667642B2 (en) | 2005-09-20 | 2020-06-02 | Starbucks Corporation | Machine for brewing a beverage such as coffee and related method |
US8733233B2 (en) | 2009-04-03 | 2014-05-27 | Minima Espresso Systems, S.L. | Machine for preparing coffee |
CN102387733A (en) * | 2009-04-03 | 2012-03-21 | 米尼玛艾斯普莱索***有限公司 | Machine for preparing coffee |
WO2010113116A1 (en) * | 2009-04-03 | 2010-10-07 | Samso Besora Xavier | Machine for preparing coffee |
ES2368225A1 (en) * | 2009-04-03 | 2011-11-15 | Minima Espresso Systems, S.L. | Machine for preparing coffee |
EP2572611A1 (en) * | 2009-04-03 | 2013-03-27 | Minima Espresso Systems, S.L. | Machine for preparing coffee |
US9060645B2 (en) * | 2010-02-02 | 2015-06-23 | Uniterra, Inc. | Beverage brewing device and method |
US20110185912A1 (en) * | 2010-02-02 | 2011-08-04 | Vincent Chen | Beverage brewing device and method |
GB2488327B (en) * | 2011-02-23 | 2013-03-13 | Lung-Mi Wang | Structure of brewing device |
GB2488327A (en) * | 2011-02-23 | 2012-08-29 | Lung-Mi Wang | Brewing device |
ITUB20152061A1 (en) * | 2015-07-10 | 2017-01-10 | La Marzocco Srl | Piston type machine for dispensing coffee or other beverages for infusion |
WO2017009186A1 (en) * | 2015-07-10 | 2017-01-19 | La Marzocco S.R.L. | Machine of the piston type for dispensing coffee or other brewed beverages |
RU2706595C1 (en) * | 2015-07-10 | 2019-11-19 | Ла Мардзокко С.Р.Л. | Piston-type machine for dispensing coffee or other brewed beverages |
US10881242B2 (en) | 2015-07-10 | 2021-01-05 | La Marzocco S.R.L. | Machine of the piston type for dispensing coffee or other brewed beverages |
US10881243B2 (en) | 2015-07-10 | 2021-01-05 | La Marzocco S.R.L. | Machine of the piston type for dispensing coffee or other brewed beverages |
US11825990B2 (en) | 2019-02-05 | 2023-11-28 | La Marzocco S.R.L. | Coffee grinding machine with improved dosing system and associated method |
Also Published As
Publication number | Publication date |
---|---|
FR1071541A (en) | 1954-09-01 |
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