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Author: Kazuo Hishinuma
Publisher: DEStech Publications, Inc
ISBN: 1932078851
Category : Packaging
Languages : en
Pages : 267
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Book Description
Presents an introduction to different phases of heat sealing. This book features reliable measuring methods to control heat seal quality, and offers methods for using peel seal and tear seal.
Author: Kazuo Hishinuma
Publisher: DEStech Publications, Inc
ISBN: 1932078851
Category : Packaging
Languages : en
Pages : 267
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Book Description
Presents an introduction to different phases of heat sealing. This book features reliable measuring methods to control heat seal quality, and offers methods for using peel seal and tear seal.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 267
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Book Description
Author: Abdellah Ajji
Publisher: Walter de Gruyter GmbH & Co KG
ISBN: 1501524593
Category : Science
Languages : en
Pages : 154
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Book Description
Author: A.. DIL AJJI (E. JALALI. AGHKAND, Z. K.)
Publisher:
ISBN: 9781605954639
Category :
Languages : en
Pages :
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Book Description
Author: Nathaniel Flint Colvin
Publisher:
ISBN:
Category : Sealing (Technology)
Languages : en
Pages : 0
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Book Description
In the consumer packaging industry, sealing is a crucial step for creating an airtight product unit for both flexible and semi-rigid packaging. Currently, rigid hot tool sealing is the most widely adapted sealing technology. Rigid hot tool sealing has many benefits, including fast seal times, good tool durability, and process simplicity. However, creating a continuous seal with rigid hot tool sealing is extremely sensitive to tool surface quality, parallelism, variations in material thickness, and film thickness transitions. In flexible packaging, the number of films in the thickness direction may vary based on location, depending on package layup. When a rigid hot tool is used to seal over film thickness transitions, high seal pressures must be utilized to produce intimate tool contact with the thinner film region(s). Even with high forces, thickness transitions are common locations for seal leaks. Additionally, excessive squeeze-out due to high pressure may occur, which can degrade the seal’s mechanical properties. In the first phase of this work, various compliant technologies were evaluated theoretically and or experimentally. Using a decision analysis approach, the various complaint sealing methods were scored and ranked. Conformable resistive sealing was chosen for further exploration. Conformable resistive sealing relies on a constant temperature, flexible heating element backed by a compliant elastomer. Various flexible heating elements were analyzed for enhanced conformability. A thin metal ribbon, and a thin perforated metal ribbon demonstrated the best potential for a conformable heating element. In addition, FEA modeling was conducted to model temperature variation in non-linear geometries of resistive heating elements. Conformance testing was conducted to compare the necessary seal pressures for sealing over a 4 film to 8 film thickness transition for rigid hot tool sealing (rigid tool/conformable anvil and rigid tool/rigid anvil combinations) and conformable resistive sealing (conformable tool/conformable anvil, conformable tool, rigid anvil). For rigid hot tool sealing with a rigid anvil, high pressure (2.27 MPa) was required to create a continuous seal. For rigid hot tool sealing with a conformable anvil, a seal pressure as low as 1.02 MPa could create a continuous seal. However, due to equipment limitations, lower seal pressures were unable to be tested. Due to the same equipment limitations and larger seal area, the lowest pressure that could be used for conformable resistive sealing was 0.64 MPa, which was sufficient to produce continuous and leak free seals with and without a conformable anvil. Thickness measurements before and after sealing showed that for the rigid hot tool with rigid anvil, seals made with 2.27 MPa of seal pressure had an average thickness reduction of 47% in the 8-film region. On the other hand, for the conformable resistive sealing with a conformable anvil, the average thickness reduction in the 8-film region was just 6.9%. Complex shaped resistive heating elements were fabricated to assess temperature variations with infrared (IR) camera imaging. The analysis agreed with the FEA modeling that geometry and heating timescale play a large part in resistive heating element temperature variation. In practice, careful design choices and mitigation techniques must be taken to avoid extreme temperature variation. Durability testing was performed by colliding an aluminum tool against perforated stainless-steel and stainless-steel resistive heating elements at room temperature with 0.72 MPa of pressure. The perforated stainless-steel heating element was tested with 140,000 cycle and the stainless-steel element was tested with 380,000 cycles. Both heating elements remained undamaged at the end of durability testing.
Author: Dong Sun Lee
Publisher: CRC Press
ISBN: 1439894078
Category : Technology & Engineering
Languages : en
Pages : 644
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Book Description
With a wealth of illustrations, examples, discussion questions, and case studies, the Food Packaging Science and Technology covers basic principles and technologies as well as advanced topics such as active, intelligent, and sustainable packaging with unparalleled depth and breadth of scope. Emphasizing the application of relevant scientific
Author: Barry A. Morris
Publisher: William Andrew
ISBN: 0323855741
Category : Technology & Engineering
Languages : en
Pages : 846
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Book Description
The Science and Technology of Flexible Packaging: Multilayer Films from Resin and Process to End Use, Second Edition provides a comprehensive guide on plastic films in flexible packaging, covering scientific principles, materials properties, processes and end use considerations. Sections discuss the science of multilayer films in a concise and impactful way, presenting the fundamental understanding required to improve product design, material selection and processes. In addition, the book includes information on why one material is favored over another and how film or coating affects material properties. Descriptions and analysis of key properties of packaging films are provided from engineering and scientific perspectives. With essential scientific insights, best practice techniques, environmental sustainability information and key principles of structure design, this book provides information aids in material selection and processing, how to shorten development times and deliver stronger products, and ways to enable engineers and scientists to deliver superior products with reduced development time and cost. Provides essential information on all aspects of multilayer films in flexible packaging, including processing, properties, materials and end use Bridges the gap between scientific principles and practical challenges Includes explanations to assist practitioners in overcoming challenges Enables the reader to address new challenges, such as design for sustainability and eCommerce
Author: Scott A. Morris
Publisher: John Wiley & Sons
ISBN: 0813814790
Category : Science
Languages : en
Pages : 477
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Book Description
For the first time, engineering for the packaging industry – and for the biggest packaging user, food processing – is presented in a way that clearly demonstrates its interconnected, globally integrated nature. Food and Package Engineering is a groundbreaking work that serves as a comprehensive guide to the complexities and the potential of the industry. Packaging draws on nearly every aspect of science, technology, business, social science, and engineering. Rather than present a traditionally linear view of these topics, the author takes a "Packaging Cycle" approach by guiding readers through the life of the package from raw materials and conversion, operations, distribution, retail, all the way to recycling or disposal by the consumer. Food and Package Engineering includes many essential topics usually not addressed in other food engineering or packaging texts, including: Raw materials production and conversion Inventory management and production scheduling Regulations, security and food safety Recycling and landfill issues Transportation systems and distribution packaging Evaluation of developing technologies The comprehensive approach of this volume provides a framework to discuss critical interrelated topics such as economics, politics, and natural resources. Intended for readers with varying levels of experience, Food and Package Engineering provides multi-level accessibility to each topic, allowing both students and professionals to find useful information and develop technical expertise. Rather than being a simple exposition of technical knowledge, the book provides both real-world examples and challenging problems that require consideration at several different levels. Extensively illustrated and meticulously researched, Food and Package Engineering offers both a technical and a real-world perspective of the field. The text serves the student or industry professional at any level or background as an outstanding learning and reference work for their professional preparation and practice.
Author: Sandeep Kumar Goyal
Publisher:
ISBN:
Category : Packaging machinery
Languages : en
Pages : 100
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Book Description
Author: Barry A. Morris
Publisher: William Andrew
ISBN: 0323243258
Category : Technology & Engineering
Languages : en
Pages : 746
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Book Description
The Science and Technology of Flexible Packaging: Multilayer Films from Resin and Process to End Use provides a comprehensive guide to the use of plastic films in flexible packaging, covering scientific principles, properties, processes, and end use considerations. The book brings the science of multilayer films to the practitioner in a concise and impactful way, presenting the fundamental understanding required to improve product design, material selection, and processes, and includes information on why one material is favored over another for a particular application, or how the film or coating affects material properties. Detailed descriptions and analysis of the key properties of packaging films are provided from both an engineering and scientific perspective. End-use effects are also covered in detail, providing key insights into the way the products being packaged influence film properties and design. The book bridges the gap between key scientific literature and the practical challenges faced by the flexible packaging industry, providing essential scientific insights, best practice techniques, environmental sustainability information, and key principles of structure design to enable engineers and scientists to deliver superior products with reduced development time and cost. - Provides essential information on all aspects of multilayer films in flexible packaging - Aids in material selection and processing, shortening development times and delivering stronger products - Bridges the gap between scientific principles and key challenges in the packaging industry, with practical explanations to assist practitioners in overcoming those challenges
