GB735840A - Improvements in and relating to ball-point pens - Google Patents
Improvements in and relating to ball-point pensInfo
- Publication number
- GB735840A GB735840A GB30282/53A GB3028253A GB735840A GB 735840 A GB735840 A GB 735840A GB 30282/53 A GB30282/53 A GB 30282/53A GB 3028253 A GB3028253 A GB 3028253A GB 735840 A GB735840 A GB 735840A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plunger
- casing
- reservoir
- spring
- fitted
- 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
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B3/00—Centrifuges with rotary bowls in which solid particles or bodies become separated by centrifugal force and simultaneous sifting or filtering
- B04B3/02—Centrifuges with rotary bowls in which solid particles or bodies become separated by centrifugal force and simultaneous sifting or filtering discharging solid particles from the bowl by means coaxial with the bowl axis and moving to and fro, i.e. push-type centrifuges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
- B43K24/02—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions
- B43K24/08—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by push-buttons
Landscapes
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
- Centrifugal Separators (AREA)
Abstract
735,840. Reservoir pens. SCRIPTO, Inc. Nov. 2, 1953 [May 25, 1953], No. 30282/53. Class 146(3). In a ball-point pen wherein the writing unit is retractable within an outer casing by means of a spring, a plunger 36 fits over the upper end of the reservoir 34 and has a knob 44 projecting beyond the casing, and a spring latching lever 46 is fitted within a side recess in the plunger and is adapted to spring outwardly or laterally of the plunger to engage beneath an annular shoulder 18 in the bore of the casing when the plunger is depressed to project the unit into writing position. The latch 46 is released from the shoulder 18 by depressing a push button 48. The casing comprises two parts 12, 14 joined by threading the reduced end portion of the part 12 into a threaded sleeve 28 fitted into the part 14, and the sleeve and joint are covered by a sleeve 30 fitted on the part 14. The writing unit consisting of a point unit 32 and reservoir 34, is biassed inwardly of the casing by a compression spring 38 arranged between a shoulder 16 of the casing and a lateral enlargement 40 formed in the reservoir 34. A rib 70 in the bore of the casing engages a longitudinal groove in the plunger 36 to prevent rotation of the plunger, and a recess in the plunger allows the rear end of the reservoir 34 to have access to the atmosphere.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US735840XA | 1953-05-25 | 1953-05-25 | |
US422012A US2804048A (en) | 1954-04-09 | 1954-04-09 | Retractable ball pen latching mechanism |
US47494054A | 1954-12-13 | 1954-12-13 | |
US789031A US3092580A (en) | 1953-05-25 | 1959-01-26 | Centrifugal machines |
Publications (1)
Publication Number | Publication Date |
---|---|
GB735840A true GB735840A (en) | 1955-08-31 |
Family
ID=32475661
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB30282/53A Expired GB735840A (en) | 1953-05-25 | 1953-11-02 | Improvements in and relating to ball-point pens |
GB2122/55A Expired GB763915A (en) | 1953-05-25 | 1955-01-24 | Improvements in and relating to retractable ball-point pens |
GB34586/55A Expired GB808376A (en) | 1953-05-25 | 1955-12-02 | Improvements in or relating to centrifugal strainer separators |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2122/55A Expired GB763915A (en) | 1953-05-25 | 1955-01-24 | Improvements in and relating to retractable ball-point pens |
GB34586/55A Expired GB808376A (en) | 1953-05-25 | 1955-12-02 | Improvements in or relating to centrifugal strainer separators |
Country Status (7)
Country | Link |
---|---|
US (2) | US3092580A (en) |
BE (1) | BE537269A (en) |
CH (3) | CH328464A (en) |
DE (1) | DE1023369B (en) |
FR (2) | FR1122125A (en) |
GB (3) | GB735840A (en) |
NL (2) | NL197240A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1231133B (en) * | 1959-06-20 | 1966-12-22 | Faber Castell A W | Retractable ballpoint pen with side release of the mine return |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2907302A (en) * | 1957-03-26 | 1959-10-06 | Laka Tool And Stamping Company | Writing instrument |
US2898886A (en) * | 1957-04-09 | 1959-08-11 | Scripto Inc | Alternate push retractable ball pen having double rocking latch mechanism |
DE1104440B (en) * | 1957-04-09 | 1961-04-06 | Machf Reineveld N V | Centrifuge with a sieve drum widened conically on the discharge side |
US3152074A (en) * | 1957-11-12 | 1964-10-06 | Stamicarbon | Dehydration of granular material |
CH368425A (en) * | 1959-03-02 | 1963-03-31 | Escher Wyss Ag | Sieve device on the spinning drum of a centrifuge |
US3081026A (en) * | 1959-03-20 | 1963-03-12 | Black Clawson Co | Centrifuge |
US3136721A (en) * | 1961-03-31 | 1964-06-09 | Pennsalt Chemicals Corp | Centrifugal solids dryer |
US3171809A (en) * | 1962-04-30 | 1965-03-02 | Baker Perkins Inc | Means for effecting the relative movement of a centrifugal separator basket and pusher |
US3221879A (en) * | 1962-10-18 | 1965-12-07 | Baker Perkins Inc | Centrifuging apparatus |
CH397537A (en) * | 1962-11-14 | 1965-08-15 | Escher Wyss Ag | Pusher centrifuge |
US3416662A (en) * | 1965-11-29 | 1968-12-17 | Struthers Scientific Int Corp | Centrifugal ice washing method |
GB1215716A (en) * | 1967-05-02 | 1970-12-16 | Broadbent & Sons Ltd Thomas | Improvements in or relating to vibrating centrifuges |
US3395807A (en) * | 1967-05-04 | 1968-08-06 | Baker Perkins Inc | Centrifuging machine |
US3463316A (en) * | 1968-06-19 | 1969-08-26 | Baker Perkins Inc | Centrifugal separating system |
CH598868A5 (en) * | 1975-10-21 | 1978-05-12 | Escher Wyss Ag | |
US4381236A (en) * | 1981-02-19 | 1983-04-26 | Baker Perkins Inc. | High pressure rotary centrifugal separator having apparatus for automatically cyclically reciprocating a corotating separator basket scraper |
DE3410423A1 (en) * | 1984-03-21 | 1985-10-03 | Krauss-Maffei AG, 8000 München | METHOD AND DEVICE FOR SEPARATING MIXTURES |
US20040206686A1 (en) * | 2003-04-16 | 2004-10-21 | Ferrum Ag | Pusher centrifuge |
ES2608852T3 (en) * | 2003-04-16 | 2017-04-17 | Ferrum Ag | Multi-phase thrust centrifuge |
EP1468744B1 (en) * | 2003-04-16 | 2008-06-04 | Ferrum AG | Pusher centrifuge with rotatable cone for pre-accelerating the mixture |
US7025211B2 (en) * | 2003-04-16 | 2006-04-11 | Ferrum Ag | Double pusher centrifuge |
KR102504657B1 (en) * | 2019-11-18 | 2023-02-27 | 주식회사 엘지화학 | Pressurizing centrifugal dehydrator |
Family Cites Families (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR962732A (en) * | 1950-06-19 | |||
US1749057A (en) * | 1926-11-11 | 1930-03-04 | Arthur L Armentrout | Apparatus for separating solids from liquids |
US1749368A (en) * | 1927-09-01 | 1930-03-04 | Hans C Behr | Continuous separation of liquids and solids |
US1842464A (en) * | 1929-02-13 | 1932-01-26 | Albert T Otto & Sons | Centrifugal separator |
US2156253A (en) * | 1930-02-20 | 1939-04-25 | Centrifugal Engineering And Pa | Duplex centrifugal separator |
US2099863A (en) * | 1933-04-21 | 1937-11-23 | American Machine & Metals | Centrifugal extracting and discharging mechanism |
US2052667A (en) * | 1935-03-08 | 1936-09-01 | Anton C Schmelzer | Centrifugal drier |
USRE21882E (en) * | 1936-02-25 | 1941-08-19 | sharples | |
US2232768A (en) * | 1937-06-11 | 1941-02-25 | Albert T Otto & Sons Inc | Centrifugal separator |
BE432666A (en) * | 1938-02-25 | |||
US2350041A (en) * | 1942-03-21 | 1944-05-30 | Sharples Corp | Centrifugal separator |
US2462098A (en) * | 1944-01-07 | 1949-02-22 | Western States Machine Co | Continuous centrifugal machine |
US2427069A (en) * | 1945-09-28 | 1947-09-09 | Parker Pen Co | Writing instrument |
US2580753A (en) * | 1945-11-13 | 1952-01-01 | Parker Pen Co | Ball point fountain pen |
US2580754A (en) * | 1945-11-15 | 1952-01-01 | Parker Pen Co | Writing instrument |
CH275178A (en) * | 1946-12-12 | 1951-05-15 | Biro Patente Aktiengesellschaf | Ballpoint pen. |
FR1004390A (en) * | 1947-04-14 | 1952-03-28 | Pressure mechanism for pens, pens and the like | |
DE814568C (en) * | 1948-10-02 | 1951-09-24 | Faber Castell A W | Locking device for the feed mechanism of writing instruments |
FR997764A (en) * | 1948-10-21 | 1952-01-10 | Pressure device for ballpoint pen or pencil for extending and retracting the shaft for writing | |
GB697084A (en) * | 1949-04-13 | 1953-09-16 | Compania Uruguaya De Fomento Industrial Sa | An improved pocket appliance incorporating a writing instrument or small tool |
DE809514C (en) * | 1949-05-31 | 1951-07-30 | C Josef Lamy | Feed device for pencils, ballpoint pens, etc. like |
GB693743A (en) * | 1949-06-14 | 1953-07-08 | Compania Uruguaya De Fomento Industrial Sa | Improvements in writing instruments |
FR996221A (en) * | 1949-08-19 | 1951-12-17 | Improvements to articles such as, in particular, ball-point pens and the like | |
BE523381A (en) * | 1950-02-27 | |||
US2686595A (en) * | 1950-08-11 | 1954-08-17 | Baker Perkins Inc | Centrifugal separator |
DE821478C (en) * | 1950-09-01 | 1951-11-19 | Krauss Maffei Ag | Automatically acting pressure oil control for pusher centrifuges |
BE504773A (en) * | 1950-09-02 | |||
US2720981A (en) * | 1951-11-27 | 1955-10-18 | Hercules Powder Co Ltd | Centrifuge |
NL184631B (en) * | 1953-02-10 | Lubrizol Corp | CONVERSION PRODUCT OF AN ALKYL OR ALKENYL GROUP SUBSTITUED AMINSTIC ACID OR ANHYDRIDE THEREOF WITH A HYDROXYALKYLAMINE, AND FUNCTIONAL FLUIDS DISPERSED IN WATER, WHICH CONTAINS THE CONVERSION PRODUCT. | |
US2695133A (en) * | 1953-08-26 | 1954-11-23 | Herbert R Drury | Centrifugal separator |
US2732073A (en) * | 1953-11-23 | 1956-01-24 | Roegg |
-
0
- NL NL88929D patent/NL88929C/xx active
- NL NL197240D patent/NL197240A/xx unknown
- BE BE537269D patent/BE537269A/xx unknown
- US US2899065D patent/US2899065A/en not_active Expired - Lifetime
-
1953
- 1953-11-02 GB GB30282/53A patent/GB735840A/en not_active Expired
-
1955
- 1955-01-24 GB GB2122/55A patent/GB763915A/en not_active Expired
- 1955-02-14 FR FR1122125D patent/FR1122125A/en not_active Expired
- 1955-02-17 DE DES42736A patent/DE1023369B/en active Pending
- 1955-03-10 CH CH328464D patent/CH328464A/en unknown
- 1955-12-02 GB GB34586/55A patent/GB808376A/en not_active Expired
-
1956
- 1956-06-04 CH CH330717D patent/CH330717A/en unknown
- 1956-06-04 FR FR1153732D patent/FR1153732A/en not_active Expired
-
1957
- 1957-12-11 CH CH330010D patent/CH330010A/en unknown
-
1959
- 1959-01-26 US US789031A patent/US3092580A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1231133B (en) * | 1959-06-20 | 1966-12-22 | Faber Castell A W | Retractable ballpoint pen with side release of the mine return |
Also Published As
Publication number | Publication date |
---|---|
FR1153732A (en) | 1958-03-20 |
US2899065A (en) | 1959-08-11 |
CH330717A (en) | 1958-06-15 |
DE1023369B (en) | 1958-01-23 |
CH330010A (en) | 1958-05-15 |
CH328464A (en) | 1958-03-15 |
GB808376A (en) | 1959-02-04 |
US3092580A (en) | 1963-06-04 |
GB763915A (en) | 1956-12-19 |
NL197240A (en) | |
BE537269A (en) | |
NL88929C (en) | |
FR1122125A (en) | 1956-09-03 |
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