US3250187A - Bag making machine - Google Patents

Bag making machine Download PDF

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Publication number
US3250187A
US3250187A US29066563A US3250187A US 3250187 A US3250187 A US 3250187A US 29066563 A US29066563 A US 29066563A US 3250187 A US3250187 A US 3250187A
Authority
US
United States
Prior art keywords
film
kasting
platen
indexing
infolded
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
Inventor
Howard E Kasting
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.)
Union Carbide Corp
Original Assignee
Union Carbide 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
Application filed by Union Carbide Corp filed Critical Union Carbide Corp
Priority to US29066563 priority Critical patent/US3250187A/en
Priority to CH137164A priority patent/CH389404A/en
Priority claimed from NL6401318A external-priority patent/NL6401318A/xx
Priority to BE649688D priority patent/BE649688A/xx
Priority to LU46389D priority patent/LU46389A1/xx
Priority to ES301402A priority patent/ES301402A1/en
Priority to GB2624764A priority patent/GB1073726A/en
Priority to NL6407244A priority patent/NL6407244A/xx
Priority to CH843764A priority patent/CH417306A/en
Publication of US3250187A publication Critical patent/US3250187A/en
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/24—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool
    • B29C65/30—Electrical means
    • B29C65/305—Electrical means involving the use of cartridge heaters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F3/00—Severing by means other than cutting; Apparatus therefor
    • B26F3/06—Severing by using heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81433—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined being toothed, i.e. comprising several teeth or pins, or being patterned
    • B29C66/81435—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined being toothed, i.e. comprising several teeth or pins, or being patterned comprising several parallel ridges, e.g. for crimping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/818—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8181—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects
    • B29C66/81815—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects of the clamps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/822—Transmission mechanisms
    • B29C66/8221—Scissor or lever mechanisms, i.e. involving a pivot point
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B29C66/83221—Joining or pressing tools reciprocating along one axis cooperating reciprocating tools, each tool reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B35/00—Supplying, feeding, arranging or orientating articles to be packaged
    • B65B35/10—Feeding, e.g. conveying, single articles
    • B65B35/20—Feeding, e.g. conveying, single articles by reciprocating or oscillatory pushers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B57/00—Automatic control, checking, warning, or safety devices
    • B65B57/10—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged
    • B65B57/14—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged and operating to control, or stop, the feed of articles or material to be packaged
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B67/00—Apparatus or devices facilitating manual packaging operations; Sack holders
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03D—APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
    • G03D13/00—Processing apparatus or accessories therefor, not covered by groups G11B3/00 - G11B11/00
    • G03D13/001—Cassette breaking apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00—Flexible containers made from webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00—Flexible containers made from webs
    • B31B2155/003—Flexible containers made from webs starting from tubular webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B31B2160/20—Shape of flexible containers with structural provision for thickness of contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B70/84—Forming or attaching means for filling or dispensing contents, e.g. valves or spouts
    • B31B70/85—Applying patches or flexible valve inserts, e.g. applying film-like valves

Description

y 0, 1966 H. E. KASTlNG 3,250,187
BAG MAKING MACHINE Filed June 26, 1963 28 Sheets-Sheet 1 INTER/VAL MA/VD/PEL Clamping roll carriage.
$72lT/0N Spread open flaps inserl valve film primary seal.
Blanking, form 8 seal bottom 8 transfer through movable clamp.
flaps heal seal lop closure.
During 90 index withdrq Transfer finished bollom,
lension length control 57-4770 7 slrip internal hinged leaves Clamping platens from bottom closure. open discharge finished bag.
INVENTOR. HOWARD E. KASTING p/M. 7 W
ATTORNEY y 1966 H. E. KASTING 3,250,187
BAG MAKING MACHINE Filed June 26, 1963 28 Sheets-Sheet 2 INVENTOR. HOWARD E. KASTI NG BY i /% ATTORNEY May 10, 1966 H. E. KASTING BAG MAKING MACHI NE Filed June 26, 1963 heats-Sheet 5 HOWARD E. KASTING A TTORNE Y y 1966 H. E. KASTING 3,250,187
BAG MAK ING MACHINE Filed June 26, 1963 28 Sheets-Sheet 4 FIG. 5
INVENTOR. HOWARD E. KASTING M J M ATTORNEY y 0, 1966 H. E. KASTING 3,250,187
BAG MAKING MACHINE Filed June 26, 1963 28 Sheets-Sheet I} ELL/2 Hi f; (22 g"; *22 F/G.6 g3 Fla? 5;
INVENTOR HOWARD E. KASTING ATTORNEY May 10, 1966 H. E. KASTING BAG MAKING MACHINE 28 Sheets-Sheet 6 Filed June 26, 1963 V/AV N INVENTOR. HOWARD E. KASTING BY J)- ATTORNEY May 10, 1966 Filed June 26, 1963 H. E. KAST ING BAG MAKING MACHINE 28 Sheets-Sheet '7 INVENTOR. HOWARD E. KASTING A TTORNE Y y 1966 H. E. KASTING 3,250,187
BAG MAKING MACHINE 28 Sheets-Sheet 8 Filed June 26, 1963 IHWI STA r/a/v 17 INVENTOR. HOWARD E. KASTING ATTORNEY y 1966 H., E. KASTING 3,250,187
BAG MAKING MACHINE Filed June 26, 1963 28 Sheets-Sheet 9 FIG. /5
am now 7 INVENTOR HOWARD E. KASTING ATTORNEY y 9 E. KASTING 3,250,187
BAG MAKING MACHINE Filed June 26, 1963 r 28 Sheets-Sheet 10 FIG. /9b
INVENTOR. HOWARD E. KASTING EMA ATTORNEY y 1966 H. E. KASTING 3,250,187
BAG MAKING MACHINE Filed June 26, 1965 28 Sheets-Sheet 11 INVENTOR. HOWARD E. KASTING ATTORNEY May 10, 1966 Filed June 26, 1963 H. E. KASTING BAG MAKING MACHINE 28 Sheets- Sheet 12 FIG. 22 g IW' 52 "NH" 32 5'6 22 24 4/ f-f j 3; 38
:EWE! Z8 W ,4: 40
i A I /24 g g s o 60 6 a 26 I 72 1 28 so; 578
1 5i? 5% i W IN f iii" MINI T HM?" INVENTOR. HOWARD E. KASTING BY 2 ATTORNEY May 10, 1966 H. E. KASTING BAG MAKING MACHINE 28 Sheets-Sheet 15 Filed June 26, 1963 I ENTOR. HOWA E KASTING 2%" ATTORNEY y 1966 H. E. KASTING 3,250,187
BAG MAKING MACHINE Filed June 26, 1965 28 Sheets-Sheet 14 FIG. 23
INVENTOR. HOWARD E. KASTING WQM ATTORNEY y 1966 H. E. KASTING 3,250,187
BAG MAKING MACHINE Filed June 26, 1963 28 Sheets-Sheet 15 50 306 AIR 9 304 I H632 309 lll FIG. 25
INVENTOR. HOWARD E. KASTING MAM A TTORNEY May 10, 1966 H. E. KASTING BAG MAKING MACHINE 28 Sheets-Sheet 16 Filed June 26, 1963 T R Y on E TK N ma m m M A y 0, 1966 H. E. KASTING 3,250,187
BAG MAKING MACHINE Filed June 26, 1963 28 Sheets-Sheet l7 INVENTOR. HOWARD E. KASTING JM/Z / A TTOR/VEY May 10, 1966 H. E. KASTING 3,250,187
BAG MAKING MACHINE Filed June 26, 1963 28 Sheets-Sheet 18 FIG. 26b
- CUTTING POSITION FIG. 28
INVENTOR. HOWARD E. KASTI NG ATTORNEY y 1966 H. E. KASTING 3,250,187
BAG MAKING MACHINE Filed June 26, 1963 28 Sheets-Sheet l9 5 TA L INVENTOR.
HOWARD E. KASTING A TTORNE Y y 1966 H. E. KASTING 3,250,187
BAG MAKING MACHINE Filed June 26, 1963 28 Sheets-Sheet 20 FIG. 30
INVENTOR. HOWARD E. KASTING BY I w Ml V/ MW ATTORNEY

Claims (1)

  1. 25. APPARATUS FOR MAKING A BAG HAVING RECTANGULAR HEAT-SEALED END CLOSURES FROM FLATTENED TUBULAR THERMOPLASTIC FILM, WHICH APPARATUS COMPRISES: (A) A MOVABLE INDEXING TABLE HAVING MOUNTED THEREON A PLURALITY OF CLAMPING PLATEN-FOLDOVER ROLL ASSEMBLIES; (B) MEANS FOR INDEXING SAID TABLE AT A FIRST STATION HAVING AN INTERNAL MANDREL ADAPTED TO FIT WITHIN SAID FLATTENED TUBULAR FILM, MEANS FOR DISPOSING SAID MANDREL WITHIN SAID FILM, MEANS FOR DISPOSING A PAIR OF OPPOSED SIDE PORTIONS AND A PAIR OF OPPOSED END PORTIONS AT ONE END OF SAID FILM OVER SAID MANDREL SO AS TO FORM A FIRST RECTANGULAR END CLOSURE, MEANS FOR HEAT SEALING SAID INFOLDED SIDE AND END PORTIONS TOGETHER SO AS TO SEAL SAID END CLOSURE, AND MEANS FOR POSITIONING SAID FILM WITHIN SAID CLAMPING PLATENFOLDOVER ROLL ASSEMBLY ON SAID TABLE WITH THE OPEN END OF SAID FILM PROTRUDING ABOVE THE SURFACE OF SAID CLAMPING PLATEN; (C) MEANS FOR INDEXING SAID TABLE AT A SECOND STATION HAVING MEANS FOR FORMING A PAIR OF OPPOSED OUTFOLDED SIDE PORTIONS AND A PAIR OF OPPOSED INFOLDED END PORTIONS IN SAID OPEN END OF SAID FLATTENED TUBULAR FILM, SHUTTLE MEANS FOR INSERTING A VALVE SHEET ACROSS SAID OUTFOLDED SIDE PORTIONS AND IN OVERLAPPING RELATIONSHIP WITH A FIRST INFOLDED END PORTION, MEANS FOR JOINING SAID VALVE SHEET TO SAID FIRST END PORTION; (D) A MOVABLE FORMING PLATEN AND MEANS FOR INSERTING SAID FORMING PLATEN OVER SAID FIRST INFOLDED END PORTION AND THE MIDDLE OF SAID VALVE SHEET AND UNDER THE SECOND INFOLDED END PORTION; (E) MEANS FOR INDEXING SAID TABLE AT A THIRD STATION HAVING MEANS FOR ACTUATING SAID FOLDOVER ROLLS ON SAID ASSEMBLY TO INFOLD SAID OUTFOLDED SIDE PORTIONS AND THE END PORTIONS OF SAID VALVE SHEET OVER SAID FORMING PLATEN INTO OVERLAPPING RELATIONSHIP WITH EACH OTHER AND SAID END PORTIONS, AND MEANS FOR HEAT SEALING THE OVERLAPPING SIDE PORTIONS, VALVE SHEET, AND SAID SECOND END PORTION TOGETHER IN THE OVERLAPS TO FORM A VALVED END CLOSURE; (F) MEANS FOR WITHDRAWING SAID FORMING PLATEN FROM SAID VALVED END CLOSURE; AND (G) MEANS FOR INDEXING SAID TABLE AT A FOURTH STATION HAVING MEANS FOR OPENING SAID CLAMPING PLATEN ON SAID TABLE TO DISCHARGE THE FINISHED BAG THEREFROM.
US29066563 1963-06-26 1963-06-26 Bag making machine Expired - Lifetime US3250187A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
US29066563 US3250187A (en) 1963-06-26 1963-06-26 Bag making machine
CH137164A CH389404A (en) 1963-06-26 1964-02-04 Electromagnetic device for instant opening of cylindrical envelopes containing rolls of photographic films and the like
BE649688D BE649688A (en) 1963-06-26 1964-06-24
LU46389D LU46389A1 (en) 1963-06-26 1964-06-24
ES301402A ES301402A1 (en) 1963-06-26 1964-06-25 An apparatus for manufacturing sacks (Machine-translation by Google Translate, not legally binding)
GB2624764A GB1073726A (en) 1963-06-26 1964-06-25 Improvements in or relating to bag making machines
NL6407244A NL6407244A (en) 1963-06-26 1964-06-25
CH843764A CH417306A (en) 1963-06-26 1964-06-26 Apparatus for making a bag

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US29066563 US3250187A (en) 1963-06-26 1963-06-26 Bag making machine
NL6401318A NL6401318A (en) 1964-02-14 1964-02-14

Publications (1)

Publication Number Publication Date
US3250187A true US3250187A (en) 1966-05-10

Family

ID=26643718

Family Applications (1)

Application Number Title Priority Date Filing Date
US29066563 Expired - Lifetime US3250187A (en) 1963-06-26 1963-06-26 Bag making machine

Country Status (6)

Country Link
US (1) US3250187A (en)
BE (1) BE649688A (en)
CH (2) CH389404A (en)
GB (1) GB1073726A (en)
LU (1) LU46389A1 (en)
NL (1) NL6407244A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3585907A (en) * 1964-12-28 1971-06-22 Windmoeller & Hoelscher Process for manufacturing valved and gusseted sacks from plastics material
US3974747A (en) * 1973-08-28 1976-08-17 Dai Nippon Printing Company Limited Machine for manufacturing square bags of thermoplastic film
US4230030A (en) * 1978-08-11 1980-10-28 Violet M. Hanson Machine and method for manufacturing square or flat bottom bags having movable positions or stations including the use of a mandrel
US4371367A (en) * 1979-08-03 1983-02-01 Windmoller & Holscher Apparatus for pulling open tube sections to form base squares in the production of cross-bottom sacks
US4493686A (en) * 1981-11-04 1985-01-15 Windmoller & Holscher Apparatus for pulling tube ends open to form base squares of cross-bottom sacks
WO2017156641A1 (en) * 2016-03-18 2017-09-21 Tci Manufacturing Inc. System and method for manufacturing a flexible intermediate bulk container
CN113879617A (en) * 2021-12-07 2022-01-04 四川大学 Soft bag vacuum sealing device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110561833A (en) * 2019-10-10 2019-12-13 廊坊中凤机械科技有限公司 high-speed bag making machine

Citations (3)

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Publication number Priority date Publication date Assignee Title
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US3191507A (en) * 1961-12-05 1965-06-29 Transparent Packaging Ltd Apparatus for applying a tear strip to plastic tubing
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US2961930A (en) * 1957-10-21 1960-11-29 Package Containers Inc Gusset former
US3191507A (en) * 1961-12-05 1965-06-29 Transparent Packaging Ltd Apparatus for applying a tear strip to plastic tubing
US3215048A (en) * 1961-12-22 1965-11-02 Gattrugeri Anna Maria Torch In Method and apparatus for the continuous making of valved bags

Cited By (9)

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Publication number Priority date Publication date Assignee Title
US3585907A (en) * 1964-12-28 1971-06-22 Windmoeller & Hoelscher Process for manufacturing valved and gusseted sacks from plastics material
US3974747A (en) * 1973-08-28 1976-08-17 Dai Nippon Printing Company Limited Machine for manufacturing square bags of thermoplastic film
US4230030A (en) * 1978-08-11 1980-10-28 Violet M. Hanson Machine and method for manufacturing square or flat bottom bags having movable positions or stations including the use of a mandrel
US4371367A (en) * 1979-08-03 1983-02-01 Windmoller & Holscher Apparatus for pulling open tube sections to form base squares in the production of cross-bottom sacks
US4493686A (en) * 1981-11-04 1985-01-15 Windmoller & Holscher Apparatus for pulling tube ends open to form base squares of cross-bottom sacks
WO2017156641A1 (en) * 2016-03-18 2017-09-21 Tci Manufacturing Inc. System and method for manufacturing a flexible intermediate bulk container
US10953621B2 (en) 2016-03-18 2021-03-23 Tci Manufacturing Inc. System and method for manufacturing a flexible intermediate bulk container
CN113879617A (en) * 2021-12-07 2022-01-04 四川大学 Soft bag vacuum sealing device
CN113879617B (en) * 2021-12-07 2022-02-22 四川大学 Soft bag vacuum sealing device

Also Published As

Publication number Publication date
LU46389A1 (en) 1972-01-01
GB1073726A (en) 1967-06-28
BE649688A (en) 1964-10-16
CH417306A (en) 1966-07-15
CH389404A (en) 1965-03-15
NL6407244A (en) 1964-12-28

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