CA1006792A - Mechanism for opening envelopes - Google Patents

Mechanism for opening envelopes

Info

Publication number
CA1006792A
CA1006792A CA163,736A CA163736A CA1006792A CA 1006792 A CA1006792 A CA 1006792A CA 163736 A CA163736 A CA 163736A CA 1006792 A CA1006792 A CA 1006792A
Authority
CA
Canada
Prior art keywords
opening envelopes
envelopes
opening
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
Application number
CA163,736A
Other versions
CA163736S (en
Inventor
Richard F. Berger
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.)
Thor Dahl Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1006792A publication Critical patent/CA1006792A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43M—BUREAU ACCESSORIES NOT OTHERWISE PROVIDED FOR
    • B43M7/00—Devices for opening envelopes
    • B43M7/004—Devices for opening envelopes including non-mechanical means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S83/00—Cutting
    • Y10S83/912—Envelope openers
CA163,736A 1972-06-14 1973-02-14 Mechanism for opening envelopes Expired CA1006792A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00262762A US3815325A (en) 1972-06-14 1972-06-14 Mechanism for opening envelopes

Publications (1)

Publication Number Publication Date
CA1006792A true CA1006792A (en) 1977-03-15

Family

ID=22998921

Family Applications (1)

Application Number Title Priority Date Filing Date
CA163,736A Expired CA1006792A (en) 1972-06-14 1973-02-14 Mechanism for opening envelopes

Country Status (4)

Country Link
US (1) US3815325A (en)
CA (1) CA1006792A (en)
DE (1) DE2309548A1 (en)
GB (2) GB1410401A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4189341A (en) * 1975-07-28 1980-02-19 Thor Dahl, Inc. Envelope opening mechanism
US4082603A (en) * 1975-07-28 1978-04-04 Thor Dahl, Inc. Envelope opening process
US4194342A (en) * 1978-09-27 1980-03-25 Aes Technology Systems, Inc. Folded paper edge opening process
US4222216A (en) * 1979-02-05 1980-09-16 Aes Technology Systems, Inc. Opening of envelope with darkened edges
US4356679A (en) * 1980-03-31 1982-11-02 Aes Technology Systems, Inc. Apparatus for applying a degrading chemical to envelopes
US4356683A (en) * 1980-03-31 1982-11-02 Aes Technology Systems, Inc. Method and apparatus for holding and conveying a batch of envelopes to facilitate the opening of the envelopes
US4356684A (en) * 1980-03-31 1982-11-02 Aes Technology Systems, Inc. Batch method and apparatus for heating envelope edges to separate the envelope panels
JPS57102969A (en) * 1980-12-18 1982-06-26 Asahi Chem Ind Co Ltd Chemical solution for printing cutting line
CN103538759B (en) * 2013-10-14 2015-12-23 王斌 Extraordinary pneumatic Kaifeng instrument

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2958882A (en) * 1958-07-30 1960-11-08 Owens Illinois Glass Co Apparatus for cleaning corrugated partition strips
US2992629A (en) * 1959-06-26 1961-07-18 Jr Nick Belopavlovich Bulk mail opener
US3116718A (en) * 1959-08-17 1964-01-07 Thomas W Evans Envelope opener and distribution apparatus
US3132629A (en) * 1960-06-27 1964-05-12 Thomas W Evans Envelope opening and distributing apparatus
US3498257A (en) * 1964-10-05 1970-03-03 Gillette Co Apparatus for treating razor blades
US3259138A (en) * 1964-10-29 1966-07-05 Heinicke Instr Co Washing apparatus for motor vehicles
US3584434A (en) * 1968-05-16 1971-06-15 M & E Machinery Corp Carton handling and loading method and machine
US3654016A (en) * 1969-10-08 1972-04-04 Admiral Coated Products Inc Method and apparatus for adhering foil to a surface
US3677460A (en) * 1970-04-13 1972-07-18 Econo Mail Inc Envelope having chemically treated edges

Also Published As

Publication number Publication date
DE2309548A1 (en) 1974-01-03
GB1410402A (en) 1975-10-15
GB1410401A (en) 1975-10-15
US3815325A (en) 1974-06-11

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