Flexible surface for use in e.g. couch, has timber portions that are separated from each other by groove portions which are filled with jointing compound for attaching groove portions with front ends of timber surface elements

摘要

The flexible surface has timber portions that are separated from each other by groove portions. The groove portions are filled with jointing compound. The groove portions of arbitrary profile portions are attached at front ends of timber surface elements by the jointing compound. The flexibility of a flexible zone is set different from the flexibility of other flexible zone. The timber surface elements are provided with undercut sections.