US2487440A - Moistening device for envelope flaps - Google Patents

Moistening device for envelope flaps Download PDF

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Publication number
US2487440A
US2487440A US585451A US58545145A US2487440A US 2487440 A US2487440 A US 2487440A US 585451 A US585451 A US 585451A US 58545145 A US58545145 A US 58545145A US 2487440 A US2487440 A US 2487440A
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US
United States
Prior art keywords
moistening
adhesive substance
nozzle
moistening device
envelope
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
US585451A
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English (en)
Inventor
Heer Fritz
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.)
Promag A G
PROMAG AG
Original Assignee
Promag A G
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
Application filed by Promag A G filed Critical Promag A G
Application granted granted Critical
Publication of US2487440A publication Critical patent/US2487440A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43M—BUREAU ACCESSORIES NOT OTHERWISE PROVIDED FOR
    • B43M5/00—Devices for closing envelopes
    • B43M5/02—Hand devices for both moistening gummed flaps of envelopes and for closing the envelopes

Definitions

  • 'Ihis invention relates to moistening apparaf tus and particularly to a moistening device of the type wherein layers of adhesive substance, preferably on closing flaps of envelopes, are automatically moistened for being pasted up afterwards.
  • the soaking medium for the adhesive layer is applied upon the layer by means of rollers or stamps, which are moved thereupon.
  • rollers or stamps will soon be smeared over with adhesive substance and will consequently transfer the same upon places on the' flap where it is not desired, so that the closing ap then often sticks to the contents of theenvelope.
  • felt cushion of moistening stamps and felt coating of rollers easily glue together with the layer of adhesive substance. The applying of a suitable quantity of soaking medium in such apparatus is very difficult.
  • Another feature of the method according to the invention consists in moving the bearer of the layer of adhesive substance transversely of the axis of said atomizer nozzles and inclined at an acute angle relative to said axis during the atomizing and applying process of the soaking medium.
  • Fig. 1 is a vertical sectional view of the moistening device and Fig. 2 is a partial top view thereto.
  • the table board I may belong to an envelope closing apparatus.
  • This table board I has a slot 2 extending transversal to the vertical section shown in Fig. 1, on the left border of which a Z downwardly inclined plate or frame 3 is attached to the table board I.
  • the envelope is moved on the table board l along the slot 2 by means of a suction conveyer 9, whereby the opened closing flap K slides upon theinclined plate 3, so that its layer S of adhesive substance looks upwards.
  • a removable liquid atomizer nozzle 4 This nozzle may be carriedlby its feed pipe 5 and is arranged under a relatively small, acute angle with respect to the inclined plate 3, so that the jet of atomized liquid spreads downwardly over the whole height of the layer S of adhesive substance on the inclined closing flap K of the envelope, which adhesive substance is to be soaked thereby.
  • the feed pipe 5 is in connection with a not illustrated high pressure pump, which feeds liquid under pressure to the atomizer nozzle 4.
  • the nozzle has several discharge openings which are arranged on a circle. However, also a nozzle with a single discharge opening may be used.
  • the discharge openings of the nozzle 4 are distributed in regular intervals on a circle and as there is a very small angle between the axis of the nozzle and the inclined plane of the opened flap K, the various partial jets will strike upon the flap K in unequal distance from one to the next along the dotted line 6 shown in Fig. 2.
  • the spots at the upper portion of the field limited by the line 6 are closer together than the spots at the lower portion and therefore the upper portion will receive more atomized liquid than the lower portion.
  • a screening wing 1 in a small distance from the plate 3 and below the nozzle 4.
  • This wing 1 is pivotable about the screw bolt 8 and has an upper and lateral borders which are bent up for serving as gutter for gathered liquid on the jets. According to its position, the wing 1 will gather more or less jets of atomized liquid and will thus prevent an excessive moistening of the upper portion of the closing ilap K. It depends on the absorption of liquid by the layer of adhesive substance, how intensive the moistening must be. It can be adjusted by an according turning of the screening wing 1.
  • Water is usually used as liquid for soaking the adhesive substance, but for shortening the duration therefore, it may be hot water, saturated or even superheated steam. Of course, instead of 3 water or steam may be used a chemical solvent for the adhesive substance.
  • the process which may be performed with the above described mostening device, consists in moving the envelope over the table board i in the direction of the slot 2 by means of the suction conveyor l, 'wherebylthe back .ci the envelope looks upwards land the .opened closing ap K is downwardly bent upon the inclined plate 3. I n this state the envelope passes below the atomizer nozzle 4, by which one or several .jets ⁇ of atom-ized water is discharged, which moisten lt'he whole inner side of the closing flap K, .ihowever'lony fas intensive as is necessary forfsuiciently soaking the layer S of adhesive substance.
  • the water running off the plate 3 dropsznzto anotrillustrated reservoir disposed therebelow, wherefnom water is pressed to the atomizer nozzle by a not illustrated pump. Also atomized water gathered "by ,the screening wing 1 runs back into this reser- 'Instead ci -a single atomizer nozzle for liquid or steam there may 'be provided several of such nozzles.
  • the 'above described moistening device and method has the advantage, in comparison with known .moistening apparatus, to be of simple construction yand to work cleanly.
  • a device for moistening the adhesive layers on closing flaps of envelopes comprising table provided with a slot therein, an atomizer nozzle -for atomizing a :moistenin'g medium, said nozzle being disposed above said slot and having the REFERENCES CITED.

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  • Coating Apparatus (AREA)
US585451A 1944-04-27 1945-03-29 Moistening device for envelope flaps Expired - Lifetime US2487440A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH2487440X 1944-04-27

Publications (1)

Publication Number Publication Date
US2487440A true US2487440A (en) 1949-11-08

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ID=4569581

Family Applications (1)

Application Number Title Priority Date Filing Date
US585451A Expired - Lifetime US2487440A (en) 1944-04-27 1945-03-29 Moistening device for envelope flaps

Country Status (3)

Country Link
US (1) US2487440A (de)
CH (1) CH247462A (de)
FR (1) FR910137A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3434457A (en) * 1966-01-10 1969-03-25 Ashdee Corp Coating equipment accessory
US3654896A (en) * 1965-08-21 1972-04-11 Kalle Ag Apparatus for developing electrostatic images
EP0376522A1 (de) * 1988-12-28 1990-07-04 Pitney Bowes, Inc. Kontrolleinrichtung für einen Anfeuchter in einer Briefumschlaganfeuchteinrichtung

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US430707A (en) * 1890-06-24 Process of coloring or decorating paper for wall-coverings
US455741A (en) * 1891-07-14 Damping apparatus
US1120730A (en) * 1910-06-03 1914-12-15 Carl Marx Process of softening textile fibers.
US1198020A (en) * 1912-06-17 1916-09-12 American Can Co Coating-machine.
US2072948A (en) * 1931-11-30 1937-03-09 Vilbiss Co Spray coating machine
US2283253A (en) * 1939-09-07 1942-05-19 Libbey Owens Ford Glass Co Apparatus for producing multiply glass sheet glazing units
US2377470A (en) * 1940-05-16 1945-06-05 New Jersey Machine Corp Labeling apparatus
US2382065A (en) * 1940-05-15 1945-08-14 Micafil Ltd Works For Electric Apparatus for producing wound condensers
US2421343A (en) * 1944-01-07 1947-05-27 Western Electric Co Article coating apparatus
US2455785A (en) * 1944-12-08 1948-12-07 Continental Can Co Apparatus for lacquer coating side seams of can bodies

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US430707A (en) * 1890-06-24 Process of coloring or decorating paper for wall-coverings
US455741A (en) * 1891-07-14 Damping apparatus
US1120730A (en) * 1910-06-03 1914-12-15 Carl Marx Process of softening textile fibers.
US1198020A (en) * 1912-06-17 1916-09-12 American Can Co Coating-machine.
US2072948A (en) * 1931-11-30 1937-03-09 Vilbiss Co Spray coating machine
US2283253A (en) * 1939-09-07 1942-05-19 Libbey Owens Ford Glass Co Apparatus for producing multiply glass sheet glazing units
US2382065A (en) * 1940-05-15 1945-08-14 Micafil Ltd Works For Electric Apparatus for producing wound condensers
US2377470A (en) * 1940-05-16 1945-06-05 New Jersey Machine Corp Labeling apparatus
US2421343A (en) * 1944-01-07 1947-05-27 Western Electric Co Article coating apparatus
US2455785A (en) * 1944-12-08 1948-12-07 Continental Can Co Apparatus for lacquer coating side seams of can bodies

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3654896A (en) * 1965-08-21 1972-04-11 Kalle Ag Apparatus for developing electrostatic images
US3434457A (en) * 1966-01-10 1969-03-25 Ashdee Corp Coating equipment accessory
EP0376522A1 (de) * 1988-12-28 1990-07-04 Pitney Bowes, Inc. Kontrolleinrichtung für einen Anfeuchter in einer Briefumschlaganfeuchteinrichtung

Also Published As

Publication number Publication date
CH247462A (de) 1947-03-15
FR910137A (fr) 1946-05-28

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