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US3680968A - Method of correcting typewritten impressions - Google Patents

Method of correcting typewritten impressions Download PDF

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Publication number
US3680968A
US3680968A US13303A US3680968DA US3680968A US 3680968 A US3680968 A US 3680968A US 13303 A US13303 A US 13303A US 3680968D A US3680968D A US 3680968DA US 3680968 A US3680968 A US 3680968A
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United States
Prior art keywords
impression
liquid
correction liquid
typewritten
disc
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Expired - Lifetime
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US13303A
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Gilbert Schwartzman
Robert Glenn
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K5/00—Pens with ink reservoirs in holders, e.g. fountain-pens
    • B43K5/18—Arrangements for feeding the ink to the nibs
    • B43K5/1818—Mechanical feeding means, e.g. valves; Pumps
    • B43K5/1827—Valves
    • B43K5/1836—Valves automatically closing
    • B43K5/1845—Valves automatically closing opened by actuation of the writing point
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L19/00—Erasers, rubbers, or erasing devices; Holders therefor
    • B43L19/0018—Erasers, rubbers, or erasing devices; Holders therefor with fluids

Definitions

  • ABSTRACT A method of correcting atypewritten impression comprising the steps of centering an applicator containing a correction liquid and having a liquid outlet and a valve head extending through the liquid outlet for controlling flow of correction liquid through the liquid outlet in overlying relationship relative to a typed impression with said valve head engaging substantially the center of said typewritten impression. Therefore, said correction liquid is ejected from said applicator to form a disc of correction liquid having a ring of greatest thickness adjacent the periphery of said disc and surrounding the impression to be corrected, and then allowing said disc of correction liquid to dry.
  • the concept of this invention features a method of correcting a typewritten impression by ejecting correction liquid from an applicator to form a disc of correction liquid on a substrate material having a ring of greatest thickness adjacent the periphery of the disc and surrounding the impression to be corrected.
  • This is achievable by the use of a correction liquid having a thixotropic agent so that pulsating pumping action and subsequent stirring of the ejected liquid by the valve head of the applicator will both thin the correction liquid at the center of the disc and aid in forming the ring of fluid.
  • Still further objects and features of this invention reside in a method and apparatus for correcting typewritten impressions which provides a container which is capable of being easily grasped in a manner such as a pen or pencil is handled, which provides a secure finger hold for the user and a shield against accidental contact of the fingers of the user with the correction liquid being ejected from the apparatus, and which is simple and easy to use, and effective in operation.
  • FIG. 1 is an exploded vertical sectional view of the apparatus for correcting a typewritten impression in accordance with the concepts of the present invention
  • FIG. 2 is a partial view similar to FIG. 1 but showing the device in an assembled state
  • FIG. 3 is a perspective view illustrating the manner in which the device is used for correcting an erroneously typed impression
  • FIG. 4 is an enlarged vertical sectional view showing the apparatus in use
  • FIG. 5 is a sectional view through a sheet of substrate material having typewritten impressions thereon after they have been corrected
  • FIG. 6 is an enlarged sectional detailview illustrating the corrected typewritten impression.
  • FIG. 7 is a top plan view illustrating the corrected typewritten-impression.
  • reference numeral 10 generally designatesthe applicator comprising the apparatus of the present invention.
  • This applicator includes a container 12 and a retaining ring 14.
  • the retaining ring 14 includes a body or projecting portion 15 adapted to fit into the neck 16 of the container l2, the neck being crimped about the projecting portion 15 and the projecting portion 15 being force fitted in the neck so as to provide a secure fit.
  • the retaining ring further includes a peripheral flange 17 which is adapted to engage the mouth 18 of the neck 16 and the retaining ring 14 further includes an outwardly tapered substantially conical neck portion 19 terminating in an applicator face 20 provided with a liquid outlet or opening 22 therein and defining a valve seat.
  • the flange 17 forms a finger rest and protective shield.
  • a valve assembly 24 is provided, which includes a valve head 26 having a tapered conical portion 28 terminating in a hemispherical tip 30.
  • valve head 26 Integral with the valve head 26 are aplurality of helical springs 32 which are also integral with a mounting ring or base 34 held in place by the lower end 36 of the projecting portion 15 being swaged so that the springs 32 are continuously under compression normally urging the valve head portion 26 into frictional engagement with the valve seat so as to prevent fluid flow.
  • the container 12 is filled with a correction liquid 38 having a thixotropic agent therein so that pulsating pumping action and the resultant stirring of the ejected correction liquid will cause it to thin in the center and form a peripheral ring.
  • a correction liquid 38 having a thixotropic agent therein so that pulsating pumping action and the resultant stirring of the ejected correction liquid will cause it to thin in the center and form a peripheral ring.
  • the applicator is centered over the typewritten impression 40 which is on a suitable substrate material such as paper 42. This is done by placing the hemispherical tip 30 centrally over the letter D.
  • the correction liquid 38 is ejected by pulsating upward and downward pumping motion using the rigid container 12 which may be grasped much in the same manner as a pen or pencil.
  • the flange 17 will prevent accidental contact of the users fingers with correction liquid. This will cause the ejection of the liquid and because of the thixotropic nature of the liquid, the center of the disc of fluid that will be ejected through the opening 22 will become thin and form a depression 44 in the disc-like coating 46 of correction liquid with a ring 48 of greater thickness being at the periphery of the disc of correction liquid. This is highly desirable for several reasons.
  • the provision of a ring of correction liquid around the periphery of the disc of correction material will normally prevent bleeding of the inked character 40 through the correction material. Further, the thickened ring will prevent accidental disintegration at the edges of the correction allowing portions of the incorrect character to show. After the correction material has been allowed to dry, the ring portion 48 will provide a better fit for a new typewritten impression than is possible from a flat coatmg.
  • Amethod of vcorrecting a typewritten impression on a substrate material comprising the steps of centering anapplicator containing a correction liquid and having a liquid outlet and a valve head extending through said liquid outlet for controlling flow of correction liquid through said liquid outlet in overlying relationship relative to a typed impression with said valve head engaging substantially the center of said typewritten impression and with said liquid outlet spaced from the substrate material, thereafter ejecting said correction liquid from said applicator and forcing said valve head against said typewritten impression in a pulsating manner to form a disc of correction liquid on said substrate material having a ring of greatest thickness adjacent the periphery of said disc and surrounding theimpression to be corrected, and then allowing said disc of correction liquid to dry.
  • correction liquid contains a thixotropic agent so that pulsating of said valve head will form said ring.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)
  • Pens And Brushes (AREA)

Abstract

A method of correcting a typewritten impression comprising the steps of centering an applicator containing a correction liquid and having a liquid outlet and a valve head extending through the liquid outlet for controlling flow of correction liquid through the liquid outlet in overlying relationship relative to a typed impression with said valve head engaging substantially the center of said typewritten impression. Therefore, said correction liquid is ejected from said applicator to form a disc of correction liquid having a ring of greatest thickness adjacent the periphery of said disc and surrounding the impression to be corrected, and then allowing said disc of correction liquid to dry.

Description

United States Patent Schwartzman et a].
[ 1 Aug. 1,1972
[54] METHOD OF CORRECTING ,TYPEWRITTEN IMPRESSIONS [22] Filed: Feb. 24, 1970 v [21] Appl.No.: 13,303
[52] US. Cl. ..401/260, 401/206, 401/292 [51] Int. Cl. ..B43k 5/06 [58] Field of Search ..401/258-260, 206
[56] References Cited UNITED STATES PATENTS 2,714,475 8/1955 Roehrich ..401/260 X 3,378,330 4/1968 Schwartzman ..401/260 3,468,611 9/1969 Ward ..,....401/260 X FOREIGN PATENTS OR APPLICATIONS 1,519,601 2/1968 France ..401/292 538,909 6/1955 Belgium ..401/260 Primary Examiner-Lawrence Charles Attorney-Kenneth S. Goldfarb 5 7] ABSTRACT A method of correcting atypewritten impression comprising the steps of centering an applicator containing a correction liquid and having a liquid outlet and a valve head extending through the liquid outlet for controlling flow of correction liquid through the liquid outlet in overlying relationship relative to a typed impression with said valve head engaging substantially the center of said typewritten impression. Therefore, said correction liquid is ejected from said applicator to form a disc of correction liquid having a ring of greatest thickness adjacent the periphery of said disc and surrounding the impression to be corrected, and then allowing said disc of correction liquid to dry.
2 Claims, 7 Drawing Figures METHOD OF CORRECTING TYPEWRI'ITEN IMPRESSIONS it is to be used, and which also contains a thixotropic agent. The present invention makes use of applicators such as that disclosed in the U.S. Pat. No. 3,379,490, issued Apr. 23, 1968 and U.S. Pat. No. 3,378,330, issued Apr. 16, 1968, both to Gilbert Schwartzman for applying correction liquid in a particular manner whereby an especially neat application of correction liquid is made possible and which tends to eliminate bleeding of the pigment of the impression being corrected through the correction liquid while also providing for a highly effective base on which a corrected typewritten character can be applied.
The concept of this invention features a method of correcting a typewritten impression by ejecting correction liquid from an applicator to form a disc of correction liquid on a substrate material having a ring of greatest thickness adjacent the periphery of the disc and surrounding the impression to be corrected. This is achievable by the use of a correction liquid having a thixotropic agent so that pulsating pumping action and subsequent stirring of the ejected liquid by the valve head of the applicator will both thin the correction liquid at the center of the disc and aid in forming the ring of fluid.
Still further objects and features of this invention reside in a method and apparatus for correcting typewritten impressions which provides a container which is capable of being easily grasped in a manner such as a pen or pencil is handled, which provides a secure finger hold for the user and a shield against accidental contact of the fingers of the user with the correction liquid being ejected from the apparatus, and which is simple and easy to use, and effective in operation.
These, together with the various ancillary objects and features of this invention, which will become more apparent as the following description proceeds, are attained by this method of correcting a typewritten impression, a preferred embodiment of which is illustrated in the accompanying drawing, by way of example only, wherein:
FIG. 1 is an exploded vertical sectional view of the apparatus for correcting a typewritten impression in accordance with the concepts of the present invention;
FIG. 2 is a partial view similar to FIG. 1 but showing the device in an assembled state;
FIG. 3 is a perspective view illustrating the manner in which the device is used for correcting an erroneously typed impression;
FIG. 4 is an enlarged vertical sectional view showing the apparatus in use;
FIG. 5 is a sectional view through a sheet of substrate material having typewritten impressions thereon after they have been corrected;
FIG. 6 is an enlarged sectional detailview illustrating the corrected typewritten impression; and,
FIG. 7 is a top plan view illustrating the corrected typewritten-impression.
With continuing reference to the accompanying drawing, wherein like reference numerals designate similar parts throughout the various views, reference numeral 10 generally designatesthe applicator comprising the apparatus of the present invention. This applicator includes a container 12 and a retaining ring 14. The retaining ring 14 includes a body or projecting portion 15 adapted to fit into the neck 16 of the container l2, the neck being crimped about the projecting portion 15 and the projecting portion 15 being force fitted in the neck so as to provide a secure fit. The retaining ring further includes a peripheral flange 17 which is adapted to engage the mouth 18 of the neck 16 and the retaining ring 14 further includes an outwardly tapered substantially conical neck portion 19 terminating in an applicator face 20 provided with a liquid outlet or opening 22 therein and defining a valve seat. The flange 17 forms a finger rest and protective shield. A valve assembly 24 is provided, which includes a valve head 26 having a tapered conical portion 28 terminating in a hemispherical tip 30. Integral with the valve head 26 are aplurality of helical springs 32 which are also integral with a mounting ring or base 34 held in place by the lower end 36 of the projecting portion 15 being swaged so that the springs 32 are continuously under compression normally urging the valve head portion 26 into frictional engagement with the valve seat so as to prevent fluid flow.
The container 12 is filled with a correction liquid 38 having a thixotropic agent therein so that pulsating pumping action and the resultant stirring of the ejected correction liquid will cause it to thin in the center and form a peripheral ring. As shown in FIG. 3, should there be an incorrect typewritten impression such as the letter D as indicated at 40, the applicator is centered over the typewritten impression 40 which is on a suitable substrate material such as paper 42. This is done by placing the hemispherical tip 30 centrally over the letter D. Thereafter, the correction liquid 38 is ejected by pulsating upward and downward pumping motion using the rigid container 12 which may be grasped much in the same manner as a pen or pencil. The flange 17 will prevent accidental contact of the users fingers with correction liquid. This will cause the ejection of the liquid and because of the thixotropic nature of the liquid, the center of the disc of fluid that will be ejected through the opening 22 will become thin and form a depression 44 in the disc-like coating 46 of correction liquid with a ring 48 of greater thickness being at the periphery of the disc of correction liquid. This is highly desirable for several reasons. The provision of a ring of correction liquid around the periphery of the disc of correction material will normally prevent bleeding of the inked character 40 through the correction material. Further, the thickened ring will prevent accidental disintegration at the edges of the correction allowing portions of the incorrect character to show. After the correction material has been allowed to dry, the ring portion 48 will provide a better fit for a new typewritten impression than is possible from a flat coatmg.
A latitude of modification, substitution and change is intended in the foregoing disclosure and in some instances, some features of the invention will be employed without a corresponding use of other features.
We claim:
1.v Amethod of vcorrecting a typewritten impression on a substrate material, comprising the steps of centering anapplicator containing a correction liquid and having a liquid outlet and a valve head extending through said liquid outlet for controlling flow of correction liquid through said liquid outlet in overlying relationship relative to a typed impression with said valve head engaging substantially the center of said typewritten impression and with said liquid outlet spaced from the substrate material, thereafter ejecting said correction liquid from said applicator and forcing said valve head against said typewritten impression in a pulsating manner to form a disc of correction liquid on said substrate material having a ring of greatest thickness adjacent the periphery of said disc and surrounding theimpression to be corrected, and then allowing said disc of correction liquid to dry.
7 2. A method according to claim 1, wherein said correction liquid contains a thixotropic agent so that pulsating of said valve head will form said ring.

Claims (2)

1. A method of correcting a typewritten impression on a substrate material, comprising the steps of centering an applicator containing a correction liquid and having a liquid outlet and a valve head extending through said liquid outlet for controlling flow of correction liquid through said liquid outlet in overlying relationship relative to a typed impression with said valve head engaging substantially the center of said typewritten impression and with said liquid outlet spaced from the substrate material, thereafter ejecting said correction liquid from said applicator and forcing said valve head against said typewritten impression in a pulsating manner to form a disc of correction liquid on said substrate material having a ring of greatest thickness adjacent the periphery of said disc and surrounding the impression to be corrected, and then allowing said disc of correction liquid to dry.
2. A method according to claim 1, wherein said correction liquid contains a thixotropic agent so that pulsating of said valve head will form said ring.
US13303A 1970-02-24 1970-02-24 Method of correcting typewritten impressions Expired - Lifetime US3680968A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US1330370A 1970-02-24 1970-02-24
DE2235218A DE2235218A1 (en) 1970-02-24 1972-07-18 PROCEDURE FOR CORRECTING TYPOGRAPHICAL ERRORS
GB3438972A GB1366728A (en) 1970-02-24 1972-07-22
FR7227566A FR2144516A5 (en) 1970-02-24 1972-07-31

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DE (1) DE2235218A1 (en)
FR (1) FR2144516A5 (en)
GB (1) GB1366728A (en)

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3994220A (en) * 1973-02-26 1976-11-30 Stork Amsterdam B.V. Pressurized squeegee with stiff resilient sealing strips
US4225255A (en) * 1979-02-23 1980-09-30 W. Braun Co. Liquid flow controlling dispensing plug for wipe-on applicator
US4511273A (en) * 1982-09-28 1985-04-16 The Gillette Company Correction fluid dispenser having a retractable and lockable sealing tip
US4543005A (en) * 1982-12-14 1985-09-24 Florex Co., Ltd. Container for instantaneous adhesive having means to protect bias spring
EP0257931A1 (en) * 1986-08-14 1988-03-02 Perveen Shah Liquid dispenser, particularly for dispensing correction fluid
US4776718A (en) * 1985-05-09 1988-10-11 Schmidt Feintechnik Gmbh Writing implement
US4783185A (en) * 1986-07-07 1988-11-08 Minnesota Mining And Manufacturing Company Pen-like dispenser for applying rust converting liquid
US5516223A (en) * 1992-05-19 1996-05-14 The Gillette Company Correction fluid
USD399256S (en) 1969-09-12 1998-10-06 Kelders Johannes H J M Correction fluid holder
USD420047S (en) * 1999-01-26 2000-02-01 Tro-Kung Ku Container for an applicator
US6027272A (en) * 1998-06-19 2000-02-22 The Gillette Company Fluid delivery system
USD433449S (en) * 1998-10-21 2000-11-07 Plus Kabushiki Kaisha Correction coat-of-paint applicator for office use
WO2001019215A1 (en) * 1999-09-10 2001-03-22 Ulrich Hofmann Device for applying liquid substances
US20100283767A1 (en) * 2009-05-07 2010-11-11 Wistron Corporation Buffered stylus
WO2011008266A1 (en) 2009-07-14 2011-01-20 Flocon, Inc. Liquid applicator device
WO2011139374A1 (en) 2010-05-06 2011-11-10 Flocon, Inc. Liquid applicator device
USD667052S1 (en) * 2009-05-29 2012-09-11 Renart Limited Marker pen
USD667053S1 (en) * 2009-05-29 2012-09-11 Renart Limited Marker pen
WO2013138664A1 (en) 2012-03-16 2013-09-19 Flocon, Inc Precision liquid applicator
US8899859B2 (en) * 2011-12-16 2014-12-02 Carefusion 2200, Inc. Antiseptic applicator

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3044223C1 (en) * 1980-11-25 1981-12-24 Hans-Jörg 6251 Selters Simon Packaging and application unit for fast-curing adhesives etc. materials
DE8207875U1 (en) * 1982-03-19 1983-05-11 Henkel KGaA, 4000 Düsseldorf Cartridge nozzle
DE4022499A1 (en) * 1990-07-14 1992-01-16 Pelikan Ag Dispenser for adhesive with applicator head - has axially displaceable cap lockable in two different useful positions

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE538909A (en) *
US2714475A (en) * 1951-10-29 1955-08-02 Richford Corp Dispensing container for fluids
FR1519601A (en) * 1968-04-05 1968-04-05 Machine or instrument for writing, drawing signs or any other graphic, comprising an opaque white monolour ink, or multicolor ink including an opaque white
US3378330A (en) * 1965-06-28 1968-04-16 Schwartzman Gilbert Fluid dispenser
US3468611A (en) * 1966-05-10 1969-09-23 Lawrence T Ward Liquid applicator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE538909A (en) *
US2714475A (en) * 1951-10-29 1955-08-02 Richford Corp Dispensing container for fluids
US3378330A (en) * 1965-06-28 1968-04-16 Schwartzman Gilbert Fluid dispenser
US3468611A (en) * 1966-05-10 1969-09-23 Lawrence T Ward Liquid applicator
FR1519601A (en) * 1968-04-05 1968-04-05 Machine or instrument for writing, drawing signs or any other graphic, comprising an opaque white monolour ink, or multicolor ink including an opaque white

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD399256S (en) 1969-09-12 1998-10-06 Kelders Johannes H J M Correction fluid holder
US3994220A (en) * 1973-02-26 1976-11-30 Stork Amsterdam B.V. Pressurized squeegee with stiff resilient sealing strips
US4225255A (en) * 1979-02-23 1980-09-30 W. Braun Co. Liquid flow controlling dispensing plug for wipe-on applicator
US4511273A (en) * 1982-09-28 1985-04-16 The Gillette Company Correction fluid dispenser having a retractable and lockable sealing tip
US4543005A (en) * 1982-12-14 1985-09-24 Florex Co., Ltd. Container for instantaneous adhesive having means to protect bias spring
US4776718A (en) * 1985-05-09 1988-10-11 Schmidt Feintechnik Gmbh Writing implement
US4783185A (en) * 1986-07-07 1988-11-08 Minnesota Mining And Manufacturing Company Pen-like dispenser for applying rust converting liquid
EP0257931A1 (en) * 1986-08-14 1988-03-02 Perveen Shah Liquid dispenser, particularly for dispensing correction fluid
US5516223A (en) * 1992-05-19 1996-05-14 The Gillette Company Correction fluid
US6402411B2 (en) 1998-06-19 2002-06-11 Berol Corporation Fluid delivery system
US6027272A (en) * 1998-06-19 2000-02-22 The Gillette Company Fluid delivery system
USD433449S (en) * 1998-10-21 2000-11-07 Plus Kabushiki Kaisha Correction coat-of-paint applicator for office use
USD420047S (en) * 1999-01-26 2000-02-01 Tro-Kung Ku Container for an applicator
WO2001019215A1 (en) * 1999-09-10 2001-03-22 Ulrich Hofmann Device for applying liquid substances
US20100283767A1 (en) * 2009-05-07 2010-11-11 Wistron Corporation Buffered stylus
US8698784B2 (en) * 2009-05-07 2014-04-15 Wistron Corporation Buffered stylus
USD667052S1 (en) * 2009-05-29 2012-09-11 Renart Limited Marker pen
USD667053S1 (en) * 2009-05-29 2012-09-11 Renart Limited Marker pen
WO2011008266A1 (en) 2009-07-14 2011-01-20 Flocon, Inc. Liquid applicator device
EP2454104A4 (en) * 2009-07-14 2013-07-24 Flocon Inc LIQUID APPLICATOR DEVICE
WO2011139374A1 (en) 2010-05-06 2011-11-10 Flocon, Inc. Liquid applicator device
US20120003027A1 (en) * 2010-05-06 2012-01-05 Flocon, Inc. Liquid applicator device
US9211756B2 (en) * 2010-05-06 2015-12-15 Flocon Inc. Liquid applicator device
US8899859B2 (en) * 2011-12-16 2014-12-02 Carefusion 2200, Inc. Antiseptic applicator
US9968764B2 (en) 2011-12-16 2018-05-15 Carefusion 2200, Inc. Antiseptic applicator
WO2013138664A1 (en) 2012-03-16 2013-09-19 Flocon, Inc Precision liquid applicator

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Publication number Publication date
DE2235218A1 (en) 1974-01-31
GB1366728A (en) 1974-09-11
FR2144516A5 (en) 1973-02-09

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