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 Expert  107806

Expert in Paper/Plastic Web Processing/Handling; Custom Converting Machinery and Drive/Control System Design

Available for your Consulting and Expert Witness Needs

Texas (TX)
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness

Summary of Expertise: Listed with other top experts in: 
In the past 20 years, Expert has designed and built coating lines to manufacture protective films (up to 120" wide), entrance mats, and temporary skin for burn victims.

Expert has spent most of his career designing and building machines to coat papers and films. Coaters have included narrow (6") to wide (80") and slow (10 fpm) to fast (1600 fpm). Primary coating methods have been Mayer rod, offset gravure, transfer roll, and dip coating. Scope of supply includes turreted unwinds and winders, coating heads, dryers, chill rolls, and remoisturization. This equipment processes acrylic adhesives and silicones. Protective films and release liners are product examples.

For the past 10 years, Expert has been supplying design and installation for direct and offset gravure coating. This work has been for solventless and solvent diluted silicone. Release liners are a product example.

Expert's experience with Mayer rod coating goes back 30 years. Several coating station designs have been developed for use with both papers and films. Approximately 30 rod coating stations using wire wound rods have been designed and built and have been in operation since the early 1970s. Expert has developed variations and refinements to the Mayer rod coating technique including rod holder systems for the absolute reduction of static as a coating flaw eliminator as well as for prevention of fires.

For the past 25 years, Expert has been involved with the design and configuration of convection ovens for the curing of polymers on papers and films. Along with this experience has come the development of drying rate considerations for various coatings, especially emulsion type coatings which exhibit sensitivity to drying rate. Similarly, the quality and completeness of cross-linked systems are affected by the heat transfer rates.

For the past 15 years, Expert has designed or contributed to designs addressing coating size, adhesives, or primary coatings used in the board industry, fine paper laminating, and masking papers and tapes. Product examples are recycled paper board, protective papers, masking tape, and ultra-fine quality heavy papers.

Virtually Expert's whole career has been devoted to web handling. Web materials vary from papers to metals to 9-micron films. Product examples are high temperature metals for catalytic converters, piezo films, and non-woven dryer fabric.

Over the past 40 years, Expert has focused on design and design development for equipment used in the paper and film converting industries. Examples are turreted unwinds, rewinds, Mayer rod coating heads, slitter modifications, and specialty machines to align molecules in film (piezo films).

For the past 20 years, Expert has been specifying, sizing, and installing DC and AC motor drive systems for various coating machinery. Several of the machines have 20 to 26 drive sections. Line speeds vary up to 1600 fpm. The latest large system includes fully automated unwind/rewind and multi-tension zones. The drive system incorporates touch screens, fiber optic communication, and supervisory controls. He has installed AC, DC, and hybrid systems.

A strong skill area for Expert is the design of mechanical components and systems. Most of the equipment designed is to process films and papers. Examples are turreted unwinds and winders for scratch-free window tinting films, 288" wide turreted winder for 60 mil polyethylene films (with auto splicing), and automated splicer/layon heads for turreted winders and slitters.


film coating process


polyethylene film coating process




engraved-roll coating process


Mayer rod coating


coating drying system


paper coating process


web handling


machine design


machine drive


mechanical power transmission system


mechanical device design

For the past 30 years, Expert has been supplying equipment design and installation for Mayer rod, offset gravure, 5-roll coating, direct gravure, and roll coating systems. He developed a smooth rod coating system for coating liner board. Masking tape, release liners, and protective films/papers are product examples.

During the past 20 years, Expert has developed designs and processes to coat and dry polyethylene and polyesters with silicones and adhesives. Many of the end products are used in the medical industry. Artificial skin for burn victims is one product example.




film drying

Show Secondary and Basic Areas of Expertise
Expert may consult nationally and internationally, and is also local to the following cities: Dallas, Texas;  Fort Worth, Texas;  Arlington, Texas;  Plano, Texas;  Garland, Texas;  Irving, Texas;  Grand Prairie, Texas;  Mesquite, Texas;  Carrollton, Texas;  and Richardson, Texas.

Often requested
with this expert:

Web Coating Technology
Product Development and Marketing of Adhesives and...
cGMP Coatings, Pharmaceutical, Dietary Supplements,...
Paper Manufacturing, Coating, and Recycling

Year   Degree   Subject   Institution  
1964   B.S.M.E.   Mechanical Engineering   University of Wisconsin  

Work History:
Years   Employer   Title   Responsibilities

1980 to






Expert provides innovative design solutions for unusual products. He provides analysis of web process problems, and has extensive experience in all areas of paper/film converting.

1970 to 1980


Daubert Coated Products, Inc. (now Loparex Inc.)


Chief Engineer


Expert designed equipment to process emulsion and solvent coatings and established drying & curing conditions to achieve optimum coating/curing results. He designed and supervised the erection and start-up of several complete coating lines.

1963 to 1970


Beloit Corporation


Research Engineer


Expert provided research and development in the areas of heat and mass transfer, drying of tissue, and chilled iron metallurgy.

Career Accomplishments:

Expert is a member of TAPPI and ASME.

Publications and Patents Summary

Expert has a patent on a continuous contact winder.

Consulting Services:
Selected Consulting Examples:
  • Expert has contracted with facilities for on-site inspection relating to process machinery, deficiencies, or operator problems. Reports and/or presentations were prepared to convey findings. Follow-up design modifications have been provided, as necessary.
Recent Client Requests:
  • Expert for consulting on Issues with Gravure Coating.
  • Expert in RFP: Converting Industry.
  • Expert in pressure sensitive additives, tapes and films.
  • Web processing expert for consulting on LDPE film processing line (machine) to unwind film, apply adhesive coating, dry, and wind product.
  • Expert in film handling to consult on process/machinery problems..
  • Web handling expert for consulting on plastic food packaging.
  • Converting adhesive expert for consulting on Adhesive applications & technology for medical device packaging.
  • Expert in Intumescent Coatings for consulting on Water Based Thin Film Intumescent Coating.
  • Expert in biaxially oriented blown polystyrene film for consulting on increasing output, reducing gauge variance, increasing mill roll width and increasing orientation on existing blown film lines.
  • Polymer chemistry expert for consulting on Acrylic adhesive formulation.
  • Expert needed for consulting on lamination of films into glazing.
Click the green button above to contact Expert for a free initial screening call regarding your expert consulting needs.  Expert is available for consulting to corporate, legal and government clients.  Remember, your initial screening call to speak with Expert is free.

Expert Witness:
Click the green button above to contact Expert for a free initial screening call regarding expert testimony, litigation consulting and support, forensic services, or any related expert witness services.  A few litigation needs include product liability, personal injury, economic loss, intellectual property (patent, trademark, trade secret, copyright), and insurance matters.  Remember, your initial screening call to speak with Expert is free.

Additional Skills and Services:

Expert has delivered seminars on topics such as lamination, slitting, converting methods, and curl management for the Pressure Sensitive Tape Council.

Supplier and Vendor Location and Selection

Expert has extensive experience with many vendors that supply components for converting equipment. He also is familiar with the machinery provided by most equipment manufacturers.

Other Skills and Services

Expert has traveled to China for a client to address coating and converting carbonless paper products. He has also traveled throughout Europe to inspect machinery for sale.


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