US2379339A - Means for threading paper through blueprint machines - Google Patents

Means for threading paper through blueprint machines Download PDF

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Publication number
US2379339A
US2379339A US496737A US49673743A US2379339A US 2379339 A US2379339 A US 2379339A US 496737 A US496737 A US 496737A US 49673743 A US49673743 A US 49673743A US 2379339 A US2379339 A US 2379339A
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US
United States
Prior art keywords
paper
blueprint
machines
threading
threading paper
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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US496737A
Inventor
Harold J Brunk
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.)
C F PEASE Co
PEASE C F CO
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PEASE C F 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 claimed from US333415A external-priority patent/US2332296A/en
Application filed by PEASE C F CO filed Critical PEASE C F CO
Priority to US496737A priority Critical patent/US2379339A/en
Application granted granted Critical
Publication of US2379339A publication Critical patent/US2379339A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/02—Exposure apparatus for contact printing
    • G03B27/14—Details
    • G03B27/18—Maintaining or producing contact pressure between original and light-sensitive material
    • G03B27/22—Maintaining or producing contact pressure between original and light-sensitive material by stretching over a curved surface

Description

June 26, 1945. H. BRUNK' MEANS...FOR THREADNG' PAPER 'I'HROUGH BLUE PRINT MAGHINES origina1 Filed ay 4 1940 Sheetssheet 1 by Said n1ateria1 my be threaded th1`ough Said drums.
3. l1e cornbination with a' drying Inachine comprising a frame, drying drums rotatably nlounted therein, and Ineans for d'iving said drums t0 draw the sheet to be dried th1ough the Inachine, said n1eans con1prising a' sprocket iixed to one of the bearing hubs of each drun1 0n the outside of said fraIne, 3 chain passing over said Sprockets to rotate said druIns, of a threading device conlprising idler gears Inounted on the inside of Said fralne eccentrica1ly vvith respect t0 each of said bear1g hubs, a Second set of idler gears si!11i1arly Inounted near the other end of each drun1, chains passing over said idler gears,
a link pivoted to each of sa.id chains, a cross bar connecting said link and nleans for advancing said cha'ins and cross ha1' to thread the pper aroud said drying druns.
4- The comb1ation with a web processing machine having ai frame and a plurality of drums with bearing hubs journaled in said frame, 0f a threading device c01Ilprising two sets of gealrs, each set being Inounted on said franle a't the op posite ends of said drul1s, a plurality of gears of each Set being provided adjacent each of Said bearing hubs and being eCcentically disp0sed With Tespect thereto, a pair of chams each passing over one set of said gears, a' link pivoted to each of said chains, a cross bar connecting said links and adapted to engage the leading end of a web to be processed, and nleans for adva cing said chains and cross bar to thread the web around Said dru]ns' HAROLD J. BRUN
US496737A 1940-05-04 1943-07-30 Means for threading paper through blueprint machines Expired - Lifetime US2379339A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US496737A US2379339A (en) 1940-05-04 1943-07-30 Means for threading paper through blueprint machines

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US333415A US2332296A (en) 1940-05-04 1940-05-04 High-speed blueprinting machine
US496737A US2379339A (en) 1940-05-04 1943-07-30 Means for threading paper through blueprint machines

Publications (1)

Publication Number Publication Date
US2379339A true US2379339A (en) 1945-06-26

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ID=26988727

Family Applications (1)

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US496737A Expired - Lifetime US2379339A (en) 1940-05-04 1943-07-30 Means for threading paper through blueprint machines

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2731262A (en) * 1953-06-25 1956-01-17 United States Steel Corp Method for threading strip through a continuous strip processing line

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2731262A (en) * 1953-06-25 1956-01-17 United States Steel Corp Method for threading strip through a continuous strip processing line

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