US3537621A - Mortar gun and disc therefor - Google Patents

Mortar gun and disc therefor Download PDF

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Publication number
US3537621A
US3537621A US3537621DA US3537621A US 3537621 A US3537621 A US 3537621A US 3537621D A US3537621D A US 3537621DA US 3537621 A US3537621 A US 3537621A
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Grant
Patent type
Prior art keywords
disc
shaft
plate
barrel
gun
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
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Inventor
Walter A Jesse
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.)
KEATLEY HERBERT B
WALTER A JESSE
Original Assignee
WALTER A JESSE
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.)
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Publication date
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00576Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes characterised by the construction of a piston as pressure exerting means, or of the co-operating container

Description

Q i United States Patent I [1l13,537,621

[72] Inventor Walter A. Jesse [56] R fere e Cit d JICIKSDII, North, Unioutown, 44685 I i n 1828 056 10/1931 Lamb 92/250 [2|] Appl. No. 751,396 [22] Filed Aug, 1968 2,958,4l5 ll/l96 0 Jesse 222/386 [45] Patented Nov. 3, 1970 FOREIGN PATENT S 1,270,689 7/l96l France .l 92/250 Primary Examiner-Stanley H. Tollberg Assistant Examiner-11. S. Lane Attorney Freeman & Taylor [54] MORTAR GUN AND DISC THEREFOR l chimdnnwlng Figs ABSTRACT: An improved resilient disc for use on the [52] U.S.Cl. 222/386, plunger of a mortar gun characterized by having a concave 92/2 peripheral groove terminating in opposed feathered edges so [51] Int. Cl. B671! 5/42 that sealing and wiping contact with the interior surface of the Search 2/ barrel of the gun are achieved when the plunger is both advanced and retracted.

Patented Nov. 3, 1970 3,537,621

I NVEN TOR. WALTER A. JESSE BY yummy ATTORNEYS While a full and complete description of the invention has been set forth in accordance with the dictates of the Patent Statutes, it should be understood that modifications thereof may be resorted to without departing from the spirit hereof or the scope of the appended claims.

I claim:

1. In combination witha mortar gun the improvement comprising:

A. an elongate cylindrical barrel;

8. an elongate shaft mounted within said barrel for reciprocal movement therein;

C. a backup plate carried on said shaft; D. a rubbery disc having;

1. opposed flat parallel sides;

2. a substantially solid body with a through axial opening for mounting said disc on said shaft with one side thereof abutting said backup plate; and

3. a concave peripheral edge terminating in opposed feathered edges:

E. the relationship. between the internal diameter of said barrel and the diameter of said disc being such that:

1. said feathered-edges normally contact said barrel and lie in the same plane as said sides while being slightly deformed out of said plane upon movement of said shaft; and

2. with said concave edge of said disc being at all times spaced from said barrel;

F. a pressure plate;

1. carried on said shaft;

2. having one face thereof abutted against the remaining face of said disc with the peripheral edge thereof being disposed in close proximity with one of said feathered edges of said disc;

G. means for releasably securing said backup plate, said disc and said pressure plate in axial alignment on said shaft; and

H. said backup plate having its peripheral edge disposed in close proximity to the remaining feathered edge of said disc.

US3537621A 1968-08-09 1968-08-09 Mortar gun and disc therefor Expired - Lifetime US3537621A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US75139668 true 1968-08-09 1968-08-09

Publications (1)

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US3537621A true US3537621A (en) 1970-11-03

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Family Applications (1)

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US3537621A Expired - Lifetime US3537621A (en) 1968-08-09 1968-08-09 Mortar gun and disc therefor

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0165008A2 (en) * 1984-06-05 1985-12-18 Richard Rooks Pointing method and apparatus
US4741462A (en) * 1981-10-29 1988-05-03 Albion Engineering Company Adjustable piston packing expander for caulking guns
US5221348A (en) * 1991-11-26 1993-06-22 Masano Thomas C High pressure glue injector
US5407332A (en) * 1992-02-06 1995-04-18 Graco Inc. High suction intake wiper
US6494348B2 (en) * 2000-01-28 2002-12-17 Sulzer Chemtech Ag Cartridge piston
EP1607142A1 (en) * 2004-06-14 2005-12-21 Sika Technology AG Device for dispensing a material
EP1697663A1 (en) * 2003-11-13 2006-09-06 Meritool LLC Viscous material dispenser piston

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4741462A (en) * 1981-10-29 1988-05-03 Albion Engineering Company Adjustable piston packing expander for caulking guns
EP0165008A2 (en) * 1984-06-05 1985-12-18 Richard Rooks Pointing method and apparatus
EP0165008A3 (en) * 1984-06-05 1987-05-27 Richard Rooks Pointing method and apparatus
US5221348A (en) * 1991-11-26 1993-06-22 Masano Thomas C High pressure glue injector
US5407332A (en) * 1992-02-06 1995-04-18 Graco Inc. High suction intake wiper
US6494348B2 (en) * 2000-01-28 2002-12-17 Sulzer Chemtech Ag Cartridge piston
EP1697663A1 (en) * 2003-11-13 2006-09-06 Meritool LLC Viscous material dispenser piston
US20070068973A1 (en) * 2003-11-13 2007-03-29 Timm Herman Viscous material dispenser piston
EP1697663A4 (en) * 2003-11-13 2008-10-22 Meritool Llc Viscous material dispenser piston
US7913881B2 (en) 2003-11-13 2011-03-29 Meritool Llc Viscous material dispenser piston
EP1607142A1 (en) * 2004-06-14 2005-12-21 Sika Technology AG Device for dispensing a material
WO2005120720A1 (en) * 2004-06-14 2005-12-22 Sika Technology Ag Device and method for the release of material for processing

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Legal Events

Date Code Title Description
AS Assignment

Owner name: KEATLEY, HERBERT B. 4706 SOUTHWAY, S.W., CANTON, O

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:AYOUB, LYLIA D.B.A. MOTAR GUN COMPANY;REEL/FRAME:004142/0752

Effective date: 19830611