 |
 Jeroen KrabbeHand Signed Immortal Beloved Film Still $25.00 Time Remaining: 1d 7h 45m Buy It Now for only: $25.00 |
 The Gorgon 1964 UK Film still Peter Cushing Hammer Horror 7 $15.70 (1 Bid) Time Remaining: 1d 8h 27m |
 Debra Winger Hand Signed 8X10 Black White Wilder Napalm Film Still Photo $25.00 Time Remaining: 9d 8h 26m Buy It Now for only: $25.00 |
 Joe Don Baker Hand Signed 10X8 Color Wacko Original Film Still Photograph $25.00 Time Remaining: 4d 5h 23m Buy It Now for only: $25.00 |
 MY SWEDISH MEATBALL 1969 Film Stills M67 Jurgen Draeger Nudity $4.70 Time Remaining: 1d 11h 12m Buy It Now for only: $4.70 |
 Bill PaxtonRobert J Burke Signed Original Film Still $35.00 Time Remaining: 28d 9h 58m Buy It Now for only: $35.00 |
 The Gorgon 1964 UK Film still Peter Cushing Hammer Horror 14 $15.70 (1 Bid) Time Remaining: 1d 8h 38m |
 Donald Buka Authentically Hand Signed Operation Eichmann Original Film Still $12.00 Time Remaining: 25d 4h 39m Buy It Now for only: $12.00 |
 Kronos Original UK Lobby Cards Film Stills X 2 Science Fiction B27 $1.56 Time Remaining: 14d 3h 57m Buy It Now for only: $1.56 |
 Marisa Tomei Cute Signed The Paper Film Still Photo $25.00 Time Remaining: 28d 11h 18m Buy It Now for only: $25.00 |
 Wesley Snipes Authentically Hand Signed 8x10 BW Sugar Hill Film Still Photo $30.00 Time Remaining: 22d 9h 39m Buy It Now for only: $30.00 |
 The Gorgon 1964 UK Film still Peter Cushing Hammer Horror 24 $15.70 (1 Bid) Time Remaining: 1d 8h 52m |
 Debra Winger Hand Signed Betrayed Film Still Photo $20.00 Time Remaining: 29d 7h 46m Buy It Now for only: $20.00 |
 THE CARPETBAGGERS 1964 Lobby Card Film Still M50 Carroll Baker $3.13 Time Remaining: 1d 11h 14m Buy It Now for only: $3.13 |
 Willie NelsonAuthentically Signed 8X10 BWBarbarosaOriginal Film Still Photo $35.00 Time Remaining: 25d 5h 38m Buy It Now for only: $35.00 |
 Ray Milland Hand Signed 10X8 1957 Film Still Photo $55.00 Time Remaining: 17d 7h 24m Buy It Now for only: $55.00 |
 Witchcraft 1964 UK Film still Lon Chaney Hammer Horror 2 $15.70 Time Remaining: 1d 8h 55m |
 Original Vintage Horror Dead Image Bette Davis 1964 Set Of Film Stills 78 $6.27 Time Remaining: 16d 53m Buy It Now for only: $6.27 |
 Gene Tierney signed 1940s film still Close To My Heart $46.95 Time Remaining: 7d 13h 13m Buy It Now for only: $46.95 |
 Dr Crippen Photographs Film Stills 1964 D64 Donald Pleasance $6.27 Time Remaining: 25d 22h 38m Buy It Now for only: $6.27 |
 THE BATTLE AT BLOODY BEACH 1961 Film Stills War Film Audie Murphy M16 $10.99 Time Remaining: 22d 3h 36m Buy It Now for only: $10.99 |
 Keenan Wynn signed orig British film still $29.95 Time Remaining: 14d 7h 47m Buy It Now for only: $29.95 |
 The Tingler 1959 UK Horror Film still Vincent Price Darryl Hickman 5 $15.70 Time Remaining: 2d 6h 21m |
 THE DAY THE EARTH STOOD STILL CLASSIC 1950S SCIENCE FICTION FILM A3 FILM POSTER $7.84 Time Remaining: 5d 20h 22m Buy It Now for only: $7.84 |
 THREE FABLES OF LOVE French Film Stills 1962 Charles Aznavour R14 $5.03 Time Remaining: 1d 1h 28m Buy It Now for only: $5.03 |
 THE PRODUCERS 1968 Film Stills Photos M98 Mel Brooks Gene Wilder $5.17 Time Remaining: 27d 9h 44m Buy It Now for only: $5.17 |
 THE MIRACLE 1955 Film Stills Photos M91 Roger Moore Carroll Baker $4.70 Time Remaining: 27d 9h 44m Buy It Now for only: $4.70 |
 Black Sabbath 1963 UK Horror Film still Boris Karloff Michelle Mercier 6 $12.56 Time Remaining: 2d 6h 51m |
 Stockard Channing signed 1976 film still $13.95 Time Remaining: 7d 13h 18m Buy It Now for only: $13.95 |
 DARK OF THE SUN THE MERCENARIES 1968 Film Stills M37 Rod Taylor Kenneth More $10.99 Time Remaining: 26d 9h 25m Buy It Now for only: $10.99 |
 BLUME IN LOVE Original Film Still D31 George Segal Susan Anspach $1.56 Time Remaining: 14d 3h 58m Buy It Now for only: $1.56 |
 Minnie Driver Signed Good Will Hunting Film Still $22.00 Time Remaining: 21d 9h 35m Buy It Now for only: $22.00 |
 Vintage Film Still A Small Town in Texas 1977 Susan George Original Photograph $7.07 Time Remaining: 3d 7h 23m |
 Robert Culp Hand Signed Sky Riders Film Still Photo $15.00 Time Remaining: 8d 13h 17m Buy It Now for only: $15.00 |
 BILLIE Photographs Film Stills D35 Patty Duke $3.91 Time Remaining: 14d 3h 58m Buy It Now for only: $3.91 |
 THE SALZBURG CONNECTION Lobby Cards Film Stills 1973 Q12 $7.84 Time Remaining: 28d 3h 4m Buy It Now for only: $7.84 |
 Mary Louise Parker Hand Signed Grand Canyon Original Film Still Photograph $20.00 Time Remaining: 13d 8h 34m Buy It Now for only: $20.00 |
 Vintage Film Still Futureworld 1976 Blythe Danner Peter Fonda Robots Original $7.07 Time Remaining: 3d 8h 47m |
 12 Film Stills Lobby Cards THE CULPEPPER CATTLE CO 1972 Western Film S61 $7.84 Time Remaining: 22d 3h 33m Buy It Now for only: $7.84 |
 Flight From Ashiya Photographs Film Stills 1964 D73 Yul Brynner $4.70 Time Remaining: 12d 6h 40m Buy It Now for only: $4.70 |
 Jon Voight Hand Signed The Champ Original Film Still $20.00 Time Remaining: 7d 5h 44m Buy It Now for only: $20.00 |
 Dale Robertson Hand Signed 1960 Original Film Still $15.00 Time Remaining: 11d 3h 20m Buy It Now for only: $15.00 |
 Jacqueline BissetHand SignedUnder The Volcano 1984 Original Film Still Photo $25.00 Time Remaining: 19d 10h 36m Buy It Now for only: $25.00 |
 Vintage Film Still Futureworld 1976 Yul Brynner Blythe Danner Peter Fonda $7.07 Time Remaining: 3d 8h 57m |
 THE DEVIL AND THE TEN COMMANDMENTS 1962 Film Stills M58 Michel Simon $4.70 Time Remaining: 1d 11h 14m Buy It Now for only: $4.70 |
 Billy Crystal Hand Signed 8x10 BW City Slickers Original Film Still Photo $30.00 Time Remaining: 5d 2h 23m Buy It Now for only: $30.00 |
 Brenda Vaccaro Hand SignedGoing HomeFilm Still Photo $9.00 Time Remaining: 15d 9h 23m Buy It Now for only: $9.00 |
 WHICH WAY TO THE FRONT T31 1970 Jerry Lewis Film Stills War Time Comedy $6.74 Time Remaining: 17d 19h 45m Buy It Now for only: $6.74 |
 An original b w film still of John Wayne in his last film role in The Shootist $7.84 Time Remaining: 3d 9h Buy It Now for only: $12.56 |
 Forest Whitaker Authentically Signed 8x10 BW Ghost Dog Original Film Still $30.00 Time Remaining: 13d 1h 18m Buy It Now for only: $30.00 |
 Wallace Shawn Comical Authentically Signed Clueless 10X8 BW Film Still $25.00 Time Remaining: 12d 10h 14m Buy It Now for only: $25.00 |
 FRANCIS OF ASSISI 1961 Film Stills Photographs M28 Bradford Dillman Dolores Hart $18.84 Time Remaining: 26d 9h 26m Buy It Now for only: $18.84 |
 Joan Micklin Silver Hand Signed Step Kids Film Still $15.00 Time Remaining: 8d 7h 5m Buy It Now for only: $15.00 |
 Vintage Film Still A Small Town in Texas 1977 Bo Hopkins Original Photograph $7.07 Time Remaining: 3d 9h 3m |
 The War Between Men And Women 1972 Film Stills Jack Lemmon Barbara Harris R12 $4.70 Time Remaining: 1d 1h 28m Buy It Now for only: $4.70 |
 Hello Dolly Photographs Film Stills 1969 D87 Barbra Streisand Walter Matthau $1.56 Time Remaining: 12d 6h 40m Buy It Now for only: $1.56 |
 Adam Arkin Eerie Signed Full Moon High Film Still $16.00 Time Remaining: 4d 12h 6m Buy It Now for only: $16.00 |
 Goodbye Columbus Triply Signed Original Film Still $75.00 Time Remaining: 12d 10h 56m Buy It Now for only: $75.00 |
 Vintage Film Still Futureworld 1976 Stuart Margolin Blythe Danner Peter Fonda $7.07 Time Remaining: 3d 9h 43m |
 Steven BauerHand Signed 1989 Original Film Still Photo $20.00 Time Remaining: 13d 5h 3m Buy It Now for only: $20.00 |
 Britt Ekland Signed Royal Flash Original Film Still $30.00 Time Remaining: 12d 9h 16m Buy It Now for only: $30.00 |
 INSIDE DETROIT 1955 Film Stills Dennis OKeefe Pat OBrien tina Carver R6 $3.13 Time Remaining: 1d 1h 28m Buy It Now for only: $3.13 |
 HOT ROCK 1972 Film Stills Robert Redford P03 $1.56 Time Remaining: 21d 1h 31m Buy It Now for only: $1.56 |
 Randy Quaid Authentically Hand Signed Bye Bye Love 8X10 BW Film Still Photo $15.00 Time Remaining: 20d 3h 36m Buy It Now for only: $15.00 |
 Vintage Film Still Futureworld 1976 Blythe Danner Peter Fonda Original Bromide $7.07 Time Remaining: 3d 9h 47m |
 Hector Elizaondo Signed Cuba 8X10 BW Film Still $30.00 Time Remaining: 11d 6h 40m Buy It Now for only: $30.00 |
 Kristy Swanson Hand Signed The Chase Film Still $25.00 Time Remaining: 8d 7h 27m Buy It Now for only: $25.00 |
 FORBIDDEN GAMES 1952 Film Stills Lobby Cards M82 Rene Clement French Film $4.70 Time Remaining: 27d 9h 44m Buy It Now for only: $4.70 |
 Rock Hudson signed film still from Sea Devils $38.00 Time Remaining: 7d 13h 17m Buy It Now for only: $38.00 |
 Vintage Film Still The Choirboys Robert Aldrich Original 1977 fading Photo $7.07 Time Remaining: 3d 10h 26m |
 Steve ShaganHand Signed The Formula Film Still Photo $16.00 Time Remaining: 1d 10h 47m Buy It Now for only: $16.00 |
 Colm Meaney Hand Signed The Van Original Film Still $15.00 Time Remaining: 28d 7h 22m Buy It Now for only: $15.00 |
 Patricia Neal Great The Day The Earth Stood Still 1951 35X5 BW Film Photo $25.00 Time Remaining: 22d 10h 46m Buy It Now for only: $25.00 |
 Vincent Perez Signed Amy Foster Original Film Still $18.00 Time Remaining: 28d 10h 2m Buy It Now for only: $18.00 |
 Vintage Film Still The Choirboys Robert Aldrich Original 1977 Photo $7.07 Time Remaining: 3d 10h 43m |
 Liza Minnelli signed photo still Cabaret Won Academy Award in this film $68.95 Time Remaining: 8d 13h 30m Buy It Now for only: $68.95 |
 HOUSE OF THE DAMNED Original Film Stills Photos 18 $4.70 Time Remaining: 16d 53m Buy It Now for only: $4.70 |
 Dinah ManoffCute Authentically Hand Signed 8X10 Black White Orig Film Still $15.00 Time Remaining: 29d 11h 43m Buy It Now for only: $15.00 |
 THE OTHER WOMAN 1954 Film Stills Photographs M96 Cleo Moore Lance Fuller $3.13 Time Remaining: 27d 9h 44m Buy It Now for only: $3.13 |
 Original HOLLYWOOD Film Still PUBLICITY PHOTO INGRID BERGMAN CHILDREN 2 $15.70 Time Remaining: 3d 19h 31m |
 THE LEARNING TREE 1964 Film Stills M36 Black American $1.56 Time Remaining: 26d 9h 25m Buy It Now for only: $1.56 |
 Girl In The Headlines Photographs Film Stills 1963 D79 Ian Hendry $3.13 Time Remaining: 12d 6h 40m Buy It Now for only: $3.13 |
 Meg TillyHand SignedImpulse Original 8X10Film Still $20.00 Time Remaining: 13d 4h 3m Buy It Now for only: $20.00 |
 THE REVOLUTIONARY Film Stills Photos Jon Voigt Robert Duvall 1970 Q3 $3.91 Time Remaining: 28d 3h 3m Buy It Now for only: $3.91 |
 RED BEARD Film Stills Kung Fu Akira Kurosawa S50 $7.84 Time Remaining: 16d 53m Buy It Now for only: $7.84 |
 Original HOLLYWOOD PUBLICITY FILM STILL INGRID BERGMAN GLADYS AYLWARD ON TRAIN $15.70 Time Remaining: 3d 19h 43m |
 Bo HopkinsHand Signed PosseOriginal Film Still Photo $20.00 Time Remaining: 29d 3h 52m Buy It Now for only: $20.00 |
 Donald PleasenceHand Signed Ten Little Indians 1989 Original Film Still Photo $65.00 Time Remaining: 10d 9h 38m Buy It Now for only: $65.00 |
 Tony Bill Vintage Hand Signed Soldier In The Rain 1963 Publicity Film Still $20.00 Time Remaining: 10d 9h 59m Buy It Now for only: $20.00 |
 Bernard Cribbins Hand Signed The Mouse On The Moon Original Film Still Photo $40.00 Time Remaining: 10d 8h 41m Buy It Now for only: $40.00 |
 Original HOLLYWOOD FILM STILL PHOTO WILLIAM HOLDEN IN PICNIC $15.70 Time Remaining: 3d 19h 48m |
 Kevin KlineHand Signed Grand Canyon Film Still Photo $25.00 Time Remaining: 14d 7h 46m Buy It Now for only: $25.00 |
 THE LANDLORD 1970 Film Stills M34 Beau Bridges Lee Grant Louis Gossett Jnr $7.84 Time Remaining: 26d 9h 25m Buy It Now for only: $7.84 |
 Wesley Snipes Hand Signed 8X10 BW Film Still Photo $40.00 Time Remaining: 19d 4h 23m Buy It Now for only: $40.00 |
 Robert Vaughn Hand Signed Julius Caesar 1970 Original Film Still Photograph $25.00 Time Remaining: 8d 7h 12m Buy It Now for only: $25.00 |
 BETTE DAVIS ORIGINAL AUTOGRAPH FROM 1930S AND A FILM STILL $55.01 Time Remaining: 4d 5h 46m |
 Dack Rambo Authentically Signed 10X8 BW Deadly Honeymoon Film Still Photo $30.00 Time Remaining: 20d 4h 36m Buy It Now for only: $30.00 |
 GETTING STRAIGHT 1970 Film Stills Photographs M30 Elliott Gould Candice Bergen $7.06 Time Remaining: 26d 9h 26m Buy It Now for only: $7.06 |
 THE HUNTING PARTY 1971 Film Stills Oliver Reed Gene Hackman Candice Bergen M31 $7.84 Time Remaining: 26d 9h 25m Buy It Now for only: $7.84 |
 Cheech Marin Hand Signed Still Smokin Film Photo $20.00 Time Remaining: 24d 3h 15m Buy It Now for only: $20.00 |
Blown Film Extrusion Line
Definition:
Blown-film extrusion can be defined as a process for forming plastic films. The Blown-film extrusion involves a molten resin extruded through a circular die and filling the tube with air. The air within the tube stretches the film to obtain the desired thickness. In this process plastic film is produced according to the desired sizes or thickness as demanded by the end customer of the packaging industry. The film blowing process basically done by extruding a tube of molten thermoplastic and repeatedly inflating the tube with air. The product can be used directly or can be sllited to form a flat film.
Find more information on : Plastic-Extrusion-Machinery.info
The Process
Plastic melt is extruded through an annular slit die, usually vertically, to form a thin walled tube. Air is introduced via a hole in the centre of the die to blow up the tube like a balloon. Mounted on top of the die, a high-speed air ring blows onto the hot film to cool it. The tube of film then continues upwards, continually cooling, until it passes through nip rolls where the tube is flattened to create what is known as a ' lay-flat' tube of film. This lay-flat or collapsed tube is then taken back down the extrusion ' tower' via more rollers. On higher output lines, the air inside the bubble is also exchanged. This is known as IBS (Internal Bubble Cooling).
The lay-flat film is then either kept as such or the edges of the lay-flat are slit off to produce two flat film sheets and wound up onto reels. If kept as lay-flat, the tube of film is made into bags by sealing across the width of film and cutting or perforating to make each bag. This is done either in line with the blown film process or at a later stage.
Typically, the expansion ratio between die and blown tube of film would be 1.5 to 4 times the die diameter. The drawdown between the melt wall thickness and the cooled film thickness occurs in both radial and longitudinal directions and is easily controlled by changing the volume of air inside the bubble and by altering the haul off speed. This gives blown film a better balance of properties than traditional cast or extruded film which is drawn down along the extrusion direction only.
Materials:
Polyethylene's (HDPE, LDPE and LLDPE) are the most common resins in use, but a wide variety of other materials can be used as blends with these resins or as single layers in a multi-layer film structure. These include pp, pa, evoh. In some cases, these materials do not gel together, so a multi-layer film would delaminate. To overcome this, small layers of special adhesive resins are used in between. These are known as "tie layers".
Advantages
- Produce tubing (both flat and gussetted) in a single operation
- Regulation of film width and thichness by control of the volume of air in the bubble, the output of the extruder and the speed of the haul-off
- Eliminate end effects such as edge bead trim and non uniform temperature that can result from flat die film extrusion
- capability of biaxial orientation (allowing uniformity of mechanical properties)
- Very high productivity
- Permits the combination of a number of different materials and properties
Applications:
Blown film can be used either in tube form (e.g. for plastic bags and sacks) or the tube can be slit to form a sheet.
Consumer packaging (e.g. packaging film for frozen products, shrink film for transport packaging, food wrap film, packaging bags, or form, fill and seal packaging film) Typical applications include Industry packaging (e.g. shrink film, stretch film, bag film or container liners), , Laminating film (e.g. laminating of aluminum or paper used for packaging for example milk or coffee), Barrier film (e.g. film made of raw materials such as polyamides and EVOH acting as an aroma or oxygen barrier used for packaging food, e. g. cold meats and cheese), films for the packaging of medical products, Agricultural film (e.g. greenhouse film, crop forcing film, silage film, silage stretch film).
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About the Author
By: Shashank
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