GB1025456A - Portable foaming apparatus - Google Patents
Portable foaming apparatusInfo
- Publication number
- GB1025456A GB1025456A GB10043/64A GB1004364A GB1025456A GB 1025456 A GB1025456 A GB 1025456A GB 10043/64 A GB10043/64 A GB 10043/64A GB 1004364 A GB1004364 A GB 1004364A GB 1025456 A GB1025456 A GB 1025456A
- Authority
- GB
- United Kingdom
- Prior art keywords
- piston
- needle valve
- pressure
- march
- ports
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/801—Valves
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C5/00—Making of fire-extinguishing materials immediately before use
- A62C5/002—Apparatus for mixing extinguishants with water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/50—Movable or transportable mixing devices or plants
- B01F33/501—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use
- B01F33/5011—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held
- B01F33/50114—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held of the hand-held gun type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7438—Mixing guns, i.e. hand-held mixing units having dispensing means
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/01—Control of flow without auxiliary power
- G05D7/0126—Control of flow without auxiliary power the sensing element being a piston or plunger associated with one or more springs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
1,025,456. Valves. UNITED PROCESS MACHINERY CO. March 10, 1964 [March 11, 1963], No. 10043/64. Heading F2V. [Also in Division B1] In apparatus for making polyurethane foam (see Division B1) the material flow rates are maintained constant over a range of pressures by automatic flow control valves, Fig. 3, each having a partly hollow differential piston 32, 33; material enters at 28 and passes through the ports 39 into the interior of the piston, through passage 40, needle valve 35, chamber 37 and outlet 29. The pressure in chamber 37 is transmitted to the further end of the piston by passage 38 so that the ends of the piston are acted upon by the difference in pressure across the needle valve 35, which is balanced by spring 34. A fall in inlet pressure will allow the spring 34 to move the piston to the left as shown in the Figure, uncovering more of the ports 39 so that the flow rate is maintained. The needle valve is adjustable and has a rounded nose to adapt it for use with very viscous liquids.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US26441963A | 1963-03-11 | 1963-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1025456A true GB1025456A (en) | 1966-04-06 |
Family
ID=23005999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB10043/64A Expired GB1025456A (en) | 1963-03-11 | 1964-03-10 | Portable foaming apparatus |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE644912A (en) |
| CH (1) | CH417061A (en) |
| ES (1) | ES297441A1 (en) |
| GB (1) | GB1025456A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2159661A1 (en) * | 2008-08-29 | 2010-03-03 | Tecno-Tau Automatitzacions, S.L. | Flow control device applicable in dispensers |
| DE102016226203A1 (en) * | 2016-12-23 | 2018-06-28 | TKW Armaturenvertriebs GmbH | Dosing device and mixer for fire extinguishing purposes |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6813307A (en) * | 1968-09-18 | 1970-03-20 |
-
1964
- 1964-03-09 BE BE644912D patent/BE644912A/xx unknown
- 1964-03-10 CH CH307564A patent/CH417061A/en unknown
- 1964-03-10 ES ES0297441A patent/ES297441A1/en not_active Expired
- 1964-03-10 GB GB10043/64A patent/GB1025456A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2159661A1 (en) * | 2008-08-29 | 2010-03-03 | Tecno-Tau Automatitzacions, S.L. | Flow control device applicable in dispensers |
| DE102016226203A1 (en) * | 2016-12-23 | 2018-06-28 | TKW Armaturenvertriebs GmbH | Dosing device and mixer for fire extinguishing purposes |
Also Published As
| Publication number | Publication date |
|---|---|
| BE644912A (en) | 1964-07-01 |
| CH417061A (en) | 1966-07-15 |
| ES297441A1 (en) | 1964-08-16 |
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