Adhesive Tape Laminate for Cable Sheath Production
Solution Overview
Problem
Existing methods for producing casings for elongate goods, such as cable harnesses, are costly and complex due to the use of multiple adhesive tapes with adhesive coatings, leading to difficulties in handling and the inability to correct errors, as well as increased production expenses.
Innovation Solution
A method involving two adhesive tapes with adhesive coatings and a carrier tape without adhesive coating, where the carrier tape is only partially or fully coated with adhesive in the free area after laminate production, simplifying handling and reducing costs by eliminating the need for multiple adhesive tapes and allowing for easier alignment and application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple adhesive tapes with adhesive coatings are used to produce the casing, then mechanical protection against damage is improved, but production cost and process complexity increase
Solution Approach 1:
The patent combines multiple adhesive tapes and a non-adhesive carrier tape into a single integrated laminate structure. The carrier tape serves as a common substrate that holds multiple adhesive tapes in specific arrangements, merging several components into one unified assembly that simplifies handling and application while maintaining mechanical protection functionality
Solution Approach 2:
The laminate is segmented into distinct functional zones: adhesive tapes positioned at specific locations for bonding, and a non-adhesive carrier tape area that provides structural support without adhesive interference. This segmentation allows each component to perform its specific function optimally while reducing overall complexity
2Reliability
If multiple adhesive tapes with adhesive coatings are laminated with offset, then mechanical protection is improved, but handling difficulty increases
Solution Approach 1:
The non-adhesive carrier tape acts as an intermediary substrate that facilitates the handling of multiple adhesive tapes. By providing a stable, non-sticky base, it prevents unintended adhesion between tapes during handling and assembly, making the multi-tape laminate easier to manipulate and position accurately
Solution Approach 2:
Multiple adhesive tapes are merged onto a single carrier tape to form one integrated laminate unit. This combining transforms several separate handling operations into a single handling operation, significantly improving ease of operation while maintaining the protective function
3Reliability
If adhesive tapes are laminated with offset in specific process sequence, then mechanical protection is improved, but production cost increases
Solution Approach 1:
The adhesive tapes are pre-positioned and laminated onto the carrier tape in a preliminary assembly step before final application. This preliminary action allows for precise offset positioning to be built into the laminate structure itself, eliminating the need for complex sequential alignment operations during final assembly and reducing production costs
4Reliability
If adhesive tapes overlap the edge of the covering, then mechanical protection is improved, but adhesive contact makes corrections impossible
Solution Approach 1:
The non-adhesive carrier tape serves as a mediator that separates the adhesive tapes from direct contact with each other in the overlap regions. This prevents adhesive bonding between adjacent tapes, allowing individual tapes to be adjusted or corrected independently while still providing overlapping mechanical protection
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This method simplifies the production process, reduces costs, and provides effective mechanical protection against damage while ensuring secure adhesion and easy application, making it suitable for large-scale production in competitive markets like the automotive sector.
Implementation Method 1
two adhesive tapes, each equipped with an adhesive coating on at least one side, are combined at an axial distance from one another using a carrier tape to form a laminate, and the two adhesive tapes are combined in a longitudinal direction with the definition of a be combined with the carrier tape on the adhesive-coating side
Data Source
Figure 1A~1C
Figure 2
AI summary
The subject matter of the invention is a method for the production of a cladding (1) for elongated material (2), in particular a sheath for cable sets. In this context, two adhesive tapes (3, 4) that are provided at least on one side with an adhesive coating (3) are axially spaced apart from one another by means of a carrier tape (5) are joined to form a laminate (3, 4, 5). For this purpose, both adhesive tapes (3, 4) are each joined, on the side thereof with the adhesive coating, with the carrier tape (5), in the longitudinal direction, while defining a free region (6) limited by both adhesive tapes (3, 4). According to the invention, the carrier tape (5) is configured free of adhesive coating and is only provided with an own adhesive coating (7) at least in the free region (6) after the laminate (3, 4, 5) has been produced.