US3204828A - Portable thermoplastic cement dispensers - Google Patents

Portable thermoplastic cement dispensers Download PDF

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Publication number
US3204828A
US3204828A US35200264A US3204828A US 3204828 A US3204828 A US 3204828A US 35200264 A US35200264 A US 35200264A US 3204828 A US3204828 A US 3204828A
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Grant
Patent type
Prior art keywords
sleeve
block
barrel member
end
melting chamber
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
Hans C Paulsen
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.)
Emhart Enterprises Corp
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Emhart Enterprises Corp
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
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27GACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G11/00Applying adhesives or glue to surfaces of wood to be joined
    • B27G11/005Glue guns, glue sprayers
    • 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
    • B05C17/00523Hand 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 provided with means to heat the material
    • B05C17/00526Hand 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 provided with means to heat the material the material being supplied to the apparatus in a solid state, e.g. rod, and melted before application
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00Conditioning or physical treatment of the material to be shaped
    • B29B13/02Conditioning or physical treatment of the material to be shaped by heating
    • B29B13/022Melting the material to be shaped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/03Injection moulding apparatus
    • B29C45/036Injection pistols

Description

Sept. 7, 1965 H. c. PAULSEN 3,204,828

PORTABLE THERMOPLASTIC CEMENT DISPENSERS Filed March 16, 1964 rn on m na 6P. ma 1 H By his Attarn 63 A! K7615:

United States Patent 3,204,828 PORTABLE THERMOPLASTIC CEMENT DISPENSERS Hans C. Paulsen, Lexington, Mass., assignor to United Shoe Machinery Corporation, Boston, Mass., at corporation of New Jersey Filed Mar. 16, 1964, Ser. No. 352,002

3 Claims. (Cl. 222146) This invention relates to cement extruders and more particularly is directed to an improved hand-held device for dispensing thermoplastic adhesive.

Thermoplastic cements have proven to be well suited for a wide variety of applications and are particularly well suited for applications where small quantities of quick-setting adhesive are required such as in closing of cartons, in certain shoemaking operations, or in furniture repairing. For this purpose a number of thermoplastic cement applying devices have been developed. In many instances such devices have no self-contained means for melting the adhesive from its solid form, but instead must be supplied with molten adhesive from a separate device which generally is not easily portable. In most instances where heating means are provided in the tool itself the tool is thereby made bulky and not easily handled.

Accordingly it is a general object of the invention to provide a simple and inexpensive portable melting and dispensing tool for thermoplastic cement or the like. To this end and as features of the invention the tool includes a handle and means carried by the handle for holding and guiding a solid block of thermoplastic cement to a melting and dispensing nozzle. One end of the block is exposed and conveniently placed so as to be fed to the melting means by force applied by one finger of the operator.

The above and other features of the invention, including various novel details of construction and combinations of parts will now be more particularly described with reference to the accompanying drawings and pointed out in the claims. It will be understood that the particular device embodying the invention is shown by way of illustration only and not as a limitation of the invention. The principles and features of this invention may be em- .ployed in varied and numerous embodiments without departing from the scope of the invention.

In the drawings:

FIG. 1 is a perspective view showing one form of tool embodying the invention;

FIG. 2 is a section taken substantially along the center line of the tool; and

FIG. 3 is a plan view of a portion of the tool with the handle broken away taken along plane IIIIII of FIG. 2.

As illustrated, the device comprises a handle 2 which may be made .of any suitable non-heat conducting material. The handle is adapted to receive an electrical heating element 4 having a heat conducting rod 6 projecting therefrom. A pair of electrical leads 8 connects the heating element 4 with a source of electricity not shown. A heat shield 10 made of felt or other suitable non-heat conductive material, is disposed about the handle 2 in the vicinity of the heating element 4 to afiord additional insulation and protection for the hand of the operator. A portion 12 of a barrel member 14 is secured to the rod 6 so as to be spaced slightly from the handle 2 with the rod conducting heat from the heating element to the barrel member. The upper portion of the barrel member 14 receives a tubular sleeve 16 made of a non-heat conducting material. The sleeve 16 is adapted to receive a cylindrical thermoplastic cement block T in solid form and having a diameter snugly fitting the inside diameter of the sleeve. The sleeve is received in a bore 18 in the barrel member 14 and is secured against a shoulder 20 by a screw 22. At one end of the sleeve there is provided in a nozzle portion 24 of the barrel member a cone-shaped melting chamber 26 which leads into a cylindrical chamber 28 having a spring loaded ball check valve 30 at its entrance. A discharge passage 32 leads outwardly from the chamber 28.

The handle 2 of the tool is adapted to be held in an operators hand as seen in FIG. 1. It will be noted that the axis of the sleeve forms an angle with the axis of the handle. To dispense molten cement from the passage 32 a thermoplastic. cement block T, which may conveniently be approximately three inches in length, is inserted in the sleeve 16. The lower end of the block is guided by the sleeve into the chamber 26 where heat conducted through the rod 6 acts to melt only the very end of the block. The opposite end of the block T projects from the upper end of the sleeve 16 where it may be conveniently engaged by an operators thumb as seen in FIG. 1. The sleeve- 16, being non-conductive, permits substantial heating of the thermoplastic block T only in the lower region of the sleeve. When molten cement is to be dispensed from the passage 32 the operator pushes the block T into the sleeve 16. As it moves along the sleeve, the block acts as a piston upon the molten cement in the melting chamber 26 and the pressure thus generated forces the cement through the spring loaded check valve 30, and through the discharge passage 32 for application to a work piece.

As additional melted cement is required the operator pushes the thermoplastic block T further into the sleeve 16 so that the end of the block is progressively melted in the chamber 26 and additional molten cement is forced from the discharge passage 32. To stop the flow of cement from the passage 32 the operator removes his thumb from the block T and the spring loaded ball check valve 30 prevents further flow from the chamber 26. A recess 34 is provided in one side of the sleeve 16 so that as the block T is used it may be urged into the sleeve 16 sufiiciently to enable another thermoplastic block to be inserted and guided by the sleeve.

While I have shown and described a preferred form of my invention particularly directed to the dispensing of thermoplastic cement, it is obvious that thermoplastic materials other than cement could be dispensed and that various changes may be made in the construct-ion of the tool by those skilled in the art, without departing from the spirit of the invention as defined in the patent claims.

Having thus described my invention what I claim as novel and desire to secure by Letters Patent of the United States is:

1. A device for dispensing molten thermoplastic material comprising a barrel member shaped to provide a melting chamber and a discharge passage leading outwardly therefrom, a sleeve secured to the barrel member and extending inwardly toward the melting chamber and extending outwardly from the barrel member, the sleeve being adapted to receive a complementarily shaped block of solid thermoplastic material with one end in the melting chamber and the other end projecting beyond the end of the sleeve remote from the melting chamber, a handle projecting from the barrel member, a means for heating the barrel member so that the leading end of the block of thermoplastic material will be progressively melted in the chamber and molten material extruded through the discharge passage as the block is pushed along said sleeve and into the melting chamber, said sleeve being relatively short in length with respect to the length of said handle, the end of said sleeve remote from the melting chamber being closely adjacent said handle, and the axis of said sleeve and the aXis of said handle intersecting so as to form an angle such that an operator can grip the handle with the fingers of one hand while engaging the outer end of the block with the thumb of said hand to push the References Cited by the Examiner block through the sleeve and into the melting chamber as UNITED STATES PATENTS a result of said close ad acency and said angulanty of the aXes 2,054,506 9/36 Leltsch 228-53 2. A device according to claim 1 in which the sleeve 5 2I118:415 5/38 Pesark 120116 is formed of a substantially non-heat conducting material. 2,380,138 7/45 Abramson 15504 3. A device according to claim 1 in which the outer 2556509 6/51 Arkless 219227 2,979,234 4/61 Kam'borian 222-146 end of the sleeve is cut away on its side adjacent the handle to provide a space through Which the outer end of the thermoplastic block may be engaged by the operators 1O RAPHAEL LUPO Primary Examiner thumb.

Claims (1)

1. A DEVICE FOR DISPENSING MOLTEN THERMOPLASTIC MATERIAL COMPRISING A BARREL MEMBER SHAPED TO PROVIDE A MELTING CHAMBER AND A DISCHARGE PASSAGE LEADING OUTWARDLY THEREFROM, A SLEEVE SECURED TO THE BARREL MEMBER AND EXTENDING INWARDLY TOWARD THE MELTING CHAMBER AND EXTENDING OUTWARDLY FROM THE BARREL MEMBER, THE SLEEVE BEING ADAPTED TO RECEIVE A COMPLEMENTARILY SHAPED BLOCK OF SOLID THERMOPLASTIC MATERIAL WITH ONE END IN THE MELTING CHAMBER AND THE OTHER END PROJECTING BEYOND THE END OF THE SLEEVE REMOTE FFROM THE MELTING CHAMBER, A HANDLE PROJECTING FROM THE BARREL MEMBER, A MEANS FOR HEATING THE BARREL MEMBER SO THAT THE LEADING END OF THE BLOCK OF THERMOPLASTIC MATERIAL WILL BE PROGRESSIVELY MELTED IN THE CHAMBER AND MOLTEN MATERIAL EXTRUDED THROUGH THE DISCHARGE PASSAGE AS THE BLOCK IS PUSHED ALONG SAID SLEEVE
US3204828A 1964-03-16 1964-03-16 Portable thermoplastic cement dispensers Expired - Lifetime US3204828A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US3204828A US3204828A (en) 1964-03-16 1964-03-16 Portable thermoplastic cement dispensers

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US3204828A US3204828A (en) 1964-03-16 1964-03-16 Portable thermoplastic cement dispensers
DE1965U0004751 DE1933036U (en) 1964-03-16 1965-02-23 Geraet to issue thermoplatischem material in the molten state.
DE19651696370 DE1696370C3 (en) 1964-03-16 1965-02-23
GB1054865A GB1099003A (en) 1964-03-16 1965-03-12 Improvements in or relating to devices adapted for use in dispensing thermoplastic adhesive compositions
JP1428065A JPS5015823B1 (en) 1964-03-16 1965-03-13
ES310824A ES310824A1 (en) 1964-03-16 1965-03-15 Improvements in apparatus for dispensing molten thermoplastic material.
FR9450A FR1431251A (en) 1964-03-16 1965-03-16 Apparatus for dispensing a molten thermoplastic material
FR89968E FR89968E (en) 1964-03-16 1966-03-18 Apparatus for dispensing a molten thermoplastic material

Publications (1)

Publication Number Publication Date
US3204828A true US3204828A (en) 1965-09-07

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
US3204828A Expired - Lifetime US3204828A (en) 1964-03-16 1964-03-16 Portable thermoplastic cement dispensers

Country Status (6)

Country Link
US (1) US3204828A (en)
JP (1) JPS5015823B1 (en)
DE (2) DE1933036U (en)
ES (1) ES310824A1 (en)
FR (1) FR1431251A (en)
GB (1) GB1099003A (en)

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3298572A (en) * 1965-04-09 1967-01-17 United Shoe Machinery Corp Cement dispensers
US3314574A (en) * 1965-08-11 1967-04-18 United Shoe Machinery Corp Plastic cement heating, melting and extruding tool
US3332581A (en) * 1965-03-15 1967-07-25 Internat Shoe Machine Corp Apparatus for dispensing adhesive
US3404055A (en) * 1967-08-17 1968-10-01 Rapidograph Inc Method for assembling miniature tubing
US3522654A (en) * 1968-04-24 1970-08-04 Willy A E Schoelz Waxing tool
US3969025A (en) * 1975-01-20 1976-07-13 Brodie James A Wax applicating device
DE2655862A1 (en) * 1975-12-09 1977-06-16 Usm Corp An apparatus for melt and distribute the thermoplastic materials and methods of making the device of this schmelzkoerpers
US4179812A (en) * 1977-09-06 1979-12-25 White Velton C Dental bracket bonding agent and method of use
US4493972A (en) * 1980-12-29 1985-01-15 Steinel Heinrich W Electrically heated apparatus employing a PTC heater for liquifying a rod of binding material
US4535916A (en) * 1982-04-10 1985-08-20 Fritz Eichenauer Glue gun
US4552287A (en) * 1983-01-07 1985-11-12 Minnesota Mining And Manufacturing Company Thermoplastic dispensing device
US4561569A (en) * 1984-01-12 1985-12-31 Minnesota Mining And Manufacturing Company Thermoplastic dispensing device with outlet cooling chamber
US4621748A (en) * 1983-01-07 1986-11-11 Minnesota Mining And Manufacturing Company Thermoplastic block shape, feeding mechanism and manufacturing method
US4642158A (en) * 1984-02-29 1987-02-10 Steinel Gmbh & Co., K.G. Hot glue pistol
US4664296A (en) * 1984-01-12 1987-05-12 Minnesota Mining And Manufacturing Company Thermoplastic dispensing device with manually operated feed magazine
US4692587A (en) * 1986-02-19 1987-09-08 Spirk Jr John W Hand tool and support
DE3725745A1 (en) * 1986-08-06 1988-02-11 Molten Corp Tool for molding wax
US4774123A (en) * 1984-10-23 1988-09-27 Minnesota Mining And Manufacturing Company Thermoplastic block shape and manufacturing method
US4826049A (en) * 1987-08-07 1989-05-02 Black & Decker Inc. Cordless adhesive dispensing system
EP0723818A3 (en) * 1995-01-25 1997-03-19 Leonard Massena Glue gun system with removable cartridges
US5881923A (en) * 1997-01-17 1999-03-16 Uniplast, Inc Removable cartridge for a hot glue gun
US5881924A (en) * 1997-01-17 1999-03-16 Uniplast, Inc. Feeder handler for a hot glue gun
US5881912A (en) * 1997-01-17 1999-03-16 Uniplast, Inc. Glue gun with removable barrel
US6527143B1 (en) * 1999-03-05 2003-03-04 Steinel Gmbh & Co. Kg Hot melt applicator
CN105032726A (en) * 2015-08-24 2015-11-11 苏州骏发精密机械有限公司 Manual even dispensing jig
CN105899301A (en) * 2013-10-29 2016-08-24 苏舍米克斯帕克有限公司 Sleeve, dispensing apparatus comprising the sleeve and method

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2907484A1 (en) * 1979-02-26 1980-09-04 Hilti Ag Apparatus for melting and dosed Make thermoplastic adhesive
JPS5618509U (en) * 1979-07-18 1981-02-18
JPS56107106U (en) * 1980-01-19 1981-08-20
JPS58153014A (en) * 1982-03-04 1983-09-10 Matsushita Electric Ind Co Ltd Combustion device
JPS58153013A (en) * 1982-03-04 1983-09-10 Matsushita Electric Ind Co Ltd Combustion device
JPS58194305U (en) * 1982-06-17 1983-12-24

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2054506A (en) * 1935-12-17 1936-09-15 Leitsch Henry Joseph Soldering iron
US2118415A (en) * 1936-11-03 1938-05-24 Pesark John Device for applying sealing wax
US2380138A (en) * 1943-07-22 1945-07-10 Abramson Harry Solderer or lead tool
US2556609A (en) * 1948-04-28 1951-06-12 Arkless Richard Smurthwaite Plastic welding device
US2979234A (en) * 1959-01-07 1961-04-11 Jacob S Kamborian Gun-type adhesive applicator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2054506A (en) * 1935-12-17 1936-09-15 Leitsch Henry Joseph Soldering iron
US2118415A (en) * 1936-11-03 1938-05-24 Pesark John Device for applying sealing wax
US2380138A (en) * 1943-07-22 1945-07-10 Abramson Harry Solderer or lead tool
US2556609A (en) * 1948-04-28 1951-06-12 Arkless Richard Smurthwaite Plastic welding device
US2979234A (en) * 1959-01-07 1961-04-11 Jacob S Kamborian Gun-type adhesive applicator

Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3332581A (en) * 1965-03-15 1967-07-25 Internat Shoe Machine Corp Apparatus for dispensing adhesive
US3298572A (en) * 1965-04-09 1967-01-17 United Shoe Machinery Corp Cement dispensers
US3314574A (en) * 1965-08-11 1967-04-18 United Shoe Machinery Corp Plastic cement heating, melting and extruding tool
US3404055A (en) * 1967-08-17 1968-10-01 Rapidograph Inc Method for assembling miniature tubing
US3522654A (en) * 1968-04-24 1970-08-04 Willy A E Schoelz Waxing tool
US3969025A (en) * 1975-01-20 1976-07-13 Brodie James A Wax applicating device
DE2655862A1 (en) * 1975-12-09 1977-06-16 Usm Corp An apparatus for melt and distribute the thermoplastic materials and methods of making the device of this schmelzkoerpers
US4179812A (en) * 1977-09-06 1979-12-25 White Velton C Dental bracket bonding agent and method of use
US4493972A (en) * 1980-12-29 1985-01-15 Steinel Heinrich W Electrically heated apparatus employing a PTC heater for liquifying a rod of binding material
US4535916A (en) * 1982-04-10 1985-08-20 Fritz Eichenauer Glue gun
US4552287A (en) * 1983-01-07 1985-11-12 Minnesota Mining And Manufacturing Company Thermoplastic dispensing device
US4621748A (en) * 1983-01-07 1986-11-11 Minnesota Mining And Manufacturing Company Thermoplastic block shape, feeding mechanism and manufacturing method
US4561569A (en) * 1984-01-12 1985-12-31 Minnesota Mining And Manufacturing Company Thermoplastic dispensing device with outlet cooling chamber
US4664296A (en) * 1984-01-12 1987-05-12 Minnesota Mining And Manufacturing Company Thermoplastic dispensing device with manually operated feed magazine
EP0149345B1 (en) * 1984-01-12 1988-04-27 Minnesota Mining And Manufacturing Company Thermoplastic dispensing device with outlet cooling chamber
US4642158A (en) * 1984-02-29 1987-02-10 Steinel Gmbh & Co., K.G. Hot glue pistol
US4774123A (en) * 1984-10-23 1988-09-27 Minnesota Mining And Manufacturing Company Thermoplastic block shape and manufacturing method
US4692587A (en) * 1986-02-19 1987-09-08 Spirk Jr John W Hand tool and support
FR2602417A1 (en) * 1986-08-06 1988-02-12 Molten Corp Wax shaping tool for manufacture of dentures
US4770633A (en) * 1986-08-06 1988-09-13 Molten Corporation Wax shaping tool
DE3725745A1 (en) * 1986-08-06 1988-02-11 Molten Corp Tool for molding wax
US4826049A (en) * 1987-08-07 1989-05-02 Black & Decker Inc. Cordless adhesive dispensing system
EP0723818A3 (en) * 1995-01-25 1997-03-19 Leonard Massena Glue gun system with removable cartridges
US5664701A (en) * 1995-01-25 1997-09-09 Uniplast, Inc. Glue gun system with removable cartridges
US5769272A (en) * 1995-01-25 1998-06-23 Massena; Leo Removable cartridges for a glue gun system
US5779103A (en) * 1995-01-25 1998-07-14 Massena; Leonard Glue gun system with removable cartridges
US5881923A (en) * 1997-01-17 1999-03-16 Uniplast, Inc Removable cartridge for a hot glue gun
US5881924A (en) * 1997-01-17 1999-03-16 Uniplast, Inc. Feeder handler for a hot glue gun
US5881912A (en) * 1997-01-17 1999-03-16 Uniplast, Inc. Glue gun with removable barrel
US6527143B1 (en) * 1999-03-05 2003-03-04 Steinel Gmbh & Co. Kg Hot melt applicator
CN105899301A (en) * 2013-10-29 2016-08-24 苏舍米克斯帕克有限公司 Sleeve, dispensing apparatus comprising the sleeve and method
US10052653B2 (en) 2013-10-29 2018-08-21 Sulzer Mixpac Ag Sleeve, dispensing apparatus comprising the sleeve and method
CN105032726A (en) * 2015-08-24 2015-11-11 苏州骏发精密机械有限公司 Manual even dispensing jig

Also Published As

Publication number Publication date Type
FR1431251A (en) 1966-03-11 grant
GB1099003A (en) 1968-01-10 application
ES310824A1 (en) 1965-07-01 application
DE1696370C3 (en) 1975-11-13 grant
DE1696370A1 (en) 1972-05-18 application
DE1933036U (en) 1966-02-17 grant
DE1696370B2 (en) 1975-03-20 application
JPS5015823B1 (en) 1975-06-07 grant

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