US3372638A - Stencil printer - Google Patents

Stencil printer Download PDF

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Publication number
US3372638A
US3372638A US640049A US64004967A US3372638A US 3372638 A US3372638 A US 3372638A US 640049 A US640049 A US 640049A US 64004967 A US64004967 A US 64004967A US 3372638 A US3372638 A US 3372638A
Authority
US
United States
Prior art keywords
stencil
ink
printing
housing
intimate contact
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 - Lifetime
Application number
US640049A
Other languages
English (en)
Inventor
Kenneth F Tripp
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Markem Imaje Corp
Original Assignee
Markem Machine Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to US640049A priority Critical patent/US3372638A/en
Application filed by Markem Machine Co filed Critical Markem Machine Co
Publication of US3372638A publication Critical patent/US3372638A/en
Application granted granted Critical
Priority to CH632068A priority patent/CH464246A/de
Priority to JP43029150A priority patent/JPS4944105B1/ja
Priority to NL6806876A priority patent/NL6806876A/xx
Priority to LU56111A priority patent/LU56111A1/xx
Priority to BE715485D priority patent/BE715485A/xx
Priority to DE19681761447 priority patent/DE1761447A1/de
Priority to FR1567478D priority patent/FR1567478A/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41K—STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
    • B41K1/00—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor
    • B41K1/32—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor for stencilling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/08—Machines
    • B41F15/0804—Machines for printing sheets
    • B41F15/0813—Machines for printing sheets with flat screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/08—Machines
    • B41F15/0881—Machines for printing on polyhedral articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/08—Machines
    • B41F15/0895—Machines for printing on curved surfaces not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/14—Details
    • B41F15/40—Inking units

Definitions

  • ABSTRACT OF THE DISCLOSURE This invention relates to a stencil printing device in which a stencil member surrounded by a flexible wall is brought into intimate contact with the surface being decorated by creating a vacuum in the space between the stencil and the surface, and simultaneously utilizing atmospheric pressure to transfer an inked image through the stencil, to the surface.
  • This invention relates to improvements in printing and decorating with a stencil, and more particularly relates to stencil printing and decorating of non-rigid surfaces, as for example the plastic containers currently in vogue in the dairy field and other segments of the food industry.
  • thermographic transfers e.g. heat labeling
  • pasted paper labels None of these, or other known techniques, is entirely satisfactory.
  • thermographic transfers and pasted paper labels there are storage and deterioration problems in addition to using complex equipment for registration and adhesive application to the surface being decorated.
  • these containers can generally only be decorated on their vertical surfaces, which is often of little value since the consumer who generally sees only the top of the container when they are stored below eye level in a side-byside relationship cannot identify the product with ease.
  • This invention overcomes these above limitations by providing an apparatus and method of decorating a surface in which intimate contact between a printing stencil and the surface being decorated is achieved by employing vacuum techniques. More specifically this invention provides for the use of partial vacuum to bring a stencil member and the surface to be decorated into intimate contact with one another.
  • FIGURE 1 is a schematic vertical cross-sectional View of the apparatus of this invention.
  • FIGURE 2 is a bottom view of the device shown in FIGURE 1.
  • printer 1t ⁇ comprised of an open-ended, cylindrical housing 1! carrying a tautly stretched stencil 12 across its lower end. Carried within this cylindrical housing, behind the stencil, is a quantity of viscous ink 13. Though the illustration depicts housing 11 as being cylindrical in form, it is to be understood thatan open-ended housing of any shape will suifice so long as it can carry a stencil attached to one end thereof. Carried on top of the mass of ink 13 is a follower 14 which is free to move with the ink level in the housing, its function being more fully explained hereinafter.
  • seal 15 Surrounding the lower periphery of housing 11 is an elastomeric flanged seal 15 with its flanged portion 16 in sealing engagement with the outer periphery of the housing.
  • the remaining portion of seal 15, is dimensioned so that its lower surface 15a extends somewhat beyond the surface of stencil l2 and has its body portion 15b in spaced-apart relation to the housing thereby forming an annular recess 17 therearound.
  • Exhaust port 13 connected to a conventional vacuum pump (not shown) communicates with recess 17 through seal 15.
  • the time necessary to cycle this apparatus for printing one image varies of course with such things, for example, as how rapidly the partial vacuum can be effected, how viscous the ink is, and the extent of seal deformation necessary to bring the stencil into contact with the surface being printed.
  • the image cycle i.e. the time for bringing the stencil and surface together, time for intimate contact therebetween and time for readmitting air to chamber 21
  • the sealing surface extends approximately 3.0 mm. beyond the surface of stencil I2
  • the ink has viscosity in excess of 100,000 centipoises.
  • This motion may comprise the surface 22 alone moving toward the stencil; the stencil 12 alone moving toward the surface 22; or both of these motions may act together in contributing to the bringing about the requisite intimate contact.
  • ink viscosities are limited in range only to the extent that there be no spontaneous flow through the stencil, regardless of its attitude, i.e. whether face-up, or face-down, or some position in between.
  • the ink must flow sufficiently to at least replace at the stencil surface What the previous print has removed.
  • This invention additionally envisions embodiments of apparatus which are substantially larger, or substantially smaller than that described, the latter having attributes of portability. In any of these comtemplatcd modifications however, print surface area is of little concern to the performance of this apparatus, since effective unit pressures are independent of areas.
  • this invention has been described in terms of printing on a plane surface.
  • the decorating curvilinear and other nonplanar surfaces can easily be accomplished with this device also, provided only that the stencil has sufiicient slack or looseness to conform with the surface being decorated.
  • the stencil conforms with the shape of such a non-planar surface on its first cycle of operation and thereafter retains the shape of this configuration because of the non-flowing characteristics of the high viscosity ink employed.
  • the ink serves somewhat as a structural member of the printing apparatus by maintaining the stencil in the desired shape.
  • ink-containing housing 11 i.e. ink-package
  • ink-package can also be made of collapsible material, so long as that portion to which the stencil is connected remains sufficiently rigid to hold the stencil taut. In such a case if the container end is closed, follower 14 would obviously not be needed.
  • flanged seal 15 has been identified as being eiastorneric in nature, it should be obvious, in light of the foregoing that other equivalent structures and/ or materials may be suitable so long as they provide a yielding under the required vacuum influences to permit the stencil and surface being decorated to come into intimate contact.
  • An apparatus for stencil printing comprising in comhination:
  • said ink-package comprises:
  • the apparatus of claim 1 further comprising: a collapsible ink-package connected to said means mounting a stencil.
  • An improved stencil printing apparatus comprising:
  • piston means coacting with said housing member for transmitting pressure to a viscous fluid carried therewithin;
  • (e) means for Withdrawing atmosphere from the aforesaid chamber causing the flexible wall to yield, thereby permitting the stencii and surface to be decorated to come into intimate contact with one another.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Printing Methods (AREA)
  • Screen Printers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Coating Apparatus (AREA)
US640049A 1967-05-22 1967-05-22 Stencil printer Expired - Lifetime US3372638A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
US640049A US3372638A (en) 1967-05-22 1967-05-22 Stencil printer
CH632068A CH464246A (de) 1967-05-22 1968-04-29 Schablonendruckvorrichtung
JP43029150A JPS4944105B1 (pm) 1967-05-22 1968-05-02
NL6806876A NL6806876A (pm) 1967-05-22 1968-05-15
LU56111A LU56111A1 (pm) 1967-05-22 1968-05-20
FR1567478D FR1567478A (pm) 1967-05-22 1968-05-21
BE715485D BE715485A (pm) 1967-05-22 1968-05-21
DE19681761447 DE1761447A1 (de) 1967-05-22 1968-05-21 Schablonendruckvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US640049A US3372638A (en) 1967-05-22 1967-05-22 Stencil printer

Publications (1)

Publication Number Publication Date
US3372638A true US3372638A (en) 1968-03-12

Family

ID=24566630

Family Applications (1)

Application Number Title Priority Date Filing Date
US640049A Expired - Lifetime US3372638A (en) 1967-05-22 1967-05-22 Stencil printer

Country Status (8)

Country Link
US (1) US3372638A (pm)
JP (1) JPS4944105B1 (pm)
BE (1) BE715485A (pm)
CH (1) CH464246A (pm)
DE (1) DE1761447A1 (pm)
FR (1) FR1567478A (pm)
LU (1) LU56111A1 (pm)
NL (1) NL6806876A (pm)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3696782A (en) * 1970-10-22 1972-10-10 Honeywell Inc Electrostatic recorder
US4187802A (en) * 1976-09-25 1980-02-12 Max Thimm Device for applying flowing masses to the surface of a workpiece
WO1985004621A1 (en) * 1984-04-06 1985-10-24 Anderson Ronald C Screen printing method and apparatus
US4590854A (en) * 1984-04-06 1986-05-27 Anderson Ronald C Screen printing method and apparatus
US4649817A (en) * 1984-11-02 1987-03-17 Smith Michael S Stencil manufacturing and printing process
US5050498A (en) * 1984-11-02 1991-09-24 Smith Michael S Stencil manufacturing and printing process and apparatus
US5582104A (en) * 1992-03-16 1996-12-10 Printron, Inc. Apparatus and process for screen printing
US5596925A (en) * 1993-03-18 1997-01-28 Riso Kagaku Corporation Method and device for pressure type stencil printing
EP0742106A3 (en) * 1995-05-11 1997-05-14 Riso Kagaku Corp Stencil printing method and device
US5649480A (en) * 1995-06-07 1997-07-22 Yim; Joan Marilyn Touch-readable product and associated process
US5937752A (en) * 1996-10-30 1999-08-17 Riso Kagaku Corporation Method and apparatus for pressure type stencil printing
US5953989A (en) * 1996-10-12 1999-09-21 Riso Kagaku Corporation Method and apparatus for pressure type stencil printing
US20060185546A1 (en) * 2005-02-24 2006-08-24 Biggs Todd L System and method for vacuum generated imprinting

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5388205B2 (ja) * 2007-05-10 2014-01-15 日本電気株式会社 印刷装置及び印刷方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2239619A (en) * 1937-07-02 1941-04-22 Owens Illionis Glass Company Apparatus for stenciling
US2966116A (en) * 1960-02-02 1960-12-27 Johnson & Son Inc S C Resilient hand stamp
US3172358A (en) * 1962-04-11 1965-03-09 Weiss Franz Suction stenciling apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2239619A (en) * 1937-07-02 1941-04-22 Owens Illionis Glass Company Apparatus for stenciling
US2966116A (en) * 1960-02-02 1960-12-27 Johnson & Son Inc S C Resilient hand stamp
US3172358A (en) * 1962-04-11 1965-03-09 Weiss Franz Suction stenciling apparatus

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3696782A (en) * 1970-10-22 1972-10-10 Honeywell Inc Electrostatic recorder
US4187802A (en) * 1976-09-25 1980-02-12 Max Thimm Device for applying flowing masses to the surface of a workpiece
WO1985004621A1 (en) * 1984-04-06 1985-10-24 Anderson Ronald C Screen printing method and apparatus
US4590854A (en) * 1984-04-06 1986-05-27 Anderson Ronald C Screen printing method and apparatus
US4702165A (en) * 1984-04-06 1987-10-27 Anderson Ronald C Fluid pressure screen printing apparatus, holder and assembly
US4649817A (en) * 1984-11-02 1987-03-17 Smith Michael S Stencil manufacturing and printing process
US4843961A (en) * 1984-11-02 1989-07-04 Smith Michael S Stencil printing with vacuum support frame
US5050498A (en) * 1984-11-02 1991-09-24 Smith Michael S Stencil manufacturing and printing process and apparatus
US5582104A (en) * 1992-03-16 1996-12-10 Printron, Inc. Apparatus and process for screen printing
US5596925A (en) * 1993-03-18 1997-01-28 Riso Kagaku Corporation Method and device for pressure type stencil printing
EP0742106A3 (en) * 1995-05-11 1997-05-14 Riso Kagaku Corp Stencil printing method and device
US5743182A (en) * 1995-05-11 1998-04-28 Riso Kagaku Corporation Stencil printing method and apparatus
US5649480A (en) * 1995-06-07 1997-07-22 Yim; Joan Marilyn Touch-readable product and associated process
US5953989A (en) * 1996-10-12 1999-09-21 Riso Kagaku Corporation Method and apparatus for pressure type stencil printing
US5937752A (en) * 1996-10-30 1999-08-17 Riso Kagaku Corporation Method and apparatus for pressure type stencil printing
US20060185546A1 (en) * 2005-02-24 2006-08-24 Biggs Todd L System and method for vacuum generated imprinting
US7383769B2 (en) * 2005-02-24 2008-06-10 Intel Corporation System and method for vacuum generated imprinting
US20080202363A1 (en) * 2005-02-24 2008-08-28 Intel Corporation System and method for vacuum generated imprinting
US7665399B2 (en) 2005-02-24 2010-02-23 Intel Corporation System and method for vacuum generated imprinting

Also Published As

Publication number Publication date
NL6806876A (pm) 1968-11-25
BE715485A (pm) 1968-10-16
FR1567478A (pm) 1969-05-16
JPS4944105B1 (pm) 1974-11-26
DE1761447A1 (de) 1971-07-01
LU56111A1 (pm) 1968-09-09
CH464246A (de) 1968-10-31

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