{
  "abstract": "A gripper head for connection with a suction device includes an air permeable suction plate having selected portions covered by a readily replaceable cover mask so that only the uncovered portions of the suction plate are suctionally active. The uncovered portions of a perforated object to be gripped by the gripper head having relatively few perforations.",
  "assignees": [
    "CIBA GEIGY AG"
  ],
  "authors": [
    "JUNGHANS JUERGEN",
    "MARZINOTTO FRANCESCO"
  ],
  "canonical_url": "https://opentechnical.org/p/OT-2026-000003471",
  "categories": [
    "material-handling/conveying-systems"
  ],
  "extent": {
    "figures": 0,
    "paragraphs": 2,
    "words": 60
  },
  "figures": [],
  "files": [
    {
      "bytes": 43346,
      "media_type": "image/webp",
      "name": "figures/fig-001-card.webp",
      "sha256": "68c3c6cc24ac079a72649596784ab8ad3d21ba3b570af5cc09b0c916959ea6ce"
    },
    {
      "bytes": 85622,
      "media_type": "image/webp",
      "name": "figures/fig-001-full.webp",
      "sha256": "c0b966f102dc44792df98839170a4c96e4b0102ca78c234d9674ae86f4767894"
    },
    {
      "bytes": 12714,
      "media_type": "image/webp",
      "name": "figures/fig-001-thumb.webp",
      "sha256": "74763956658e3bbd0ff280d309fcc69b35d2f7deda10fb61204f480df8643f63"
    },
    {
      "bytes": 32622,
      "media_type": "image/webp",
      "name": "figures/fig-002-card.webp",
      "sha256": "eb0049115374b3bf9f12b0572da0b494b0f8b35f494724d7d552f35266e80d10"
    },
    {
      "bytes": 64002,
      "media_type": "image/webp",
      "name": "figures/fig-002-full.webp",
      "sha256": "bdbac0569665513ed2e50115b034aa937026018c73129e22d2c8abc9e77540a6"
    },
    {
      "bytes": 9644,
      "media_type": "image/webp",
      "name": "figures/fig-002-thumb.webp",
      "sha256": "1cf6670910f0bf7ee6a7b8a2b9323fdd0628591bfda824077bce8c70f4fd7c74"
    },
    {
      "bytes": 10693,
      "media_type": "text/html; charset=utf-8",
      "name": "index.html",
      "sha256": "4ed6f846e2d76c634537e1580bae5f121fa1bd070eac8ca343e2c6b1e7af7303"
    },
    {
      "bytes": 859,
      "media_type": "text/markdown; charset=utf-8",
      "name": "publication.md",
      "sha256": "0acf37e181f5948b096ecd71ee3cac51c8b2f6f286c022494f2141fca4ff6ae0"
    },
    {
      "bytes": 946,
      "media_type": "text/plain; charset=utf-8",
      "name": "publication.txt",
      "sha256": "3a3b7ca649b835d07a3b32b8417d11ae89482c046f4a8fe8347b2ed0e78a548b"
    }
  ],
  "integrity": {
    "hash_algorithm": "sha256",
    "keys_url": "https://opentechnical.org/integrity/keys",
    "record_url": "https://opentechnical.org/p/OT-2026-000003471/integrity",
    "signature_algorithm": "Ed25519",
    "signature_file": "manifest.sig",
    "verify_url": "https://opentechnical.org/integrity/verify"
  },
  "keywords": [
    "b65g59/04",
    "b65g59/04",
    "b25j15/06",
    "b65g47/91",
    "b65g47/91",
    "b65g47/91"
  ],
  "language": "en",
  "license": {
    "name": "Creative Commons Attribution 4.0 International",
    "url": "https://creativecommons.org/licenses/by/4.0/"
  },
  "publication_id": "OT-2026-000003471",
  "published_at": "2026-09-15T20:31:45.153820Z",
  "publisher": "Nebula Innovations Limited",
  "record_type": "figure_set",
  "schema": "opentechnical-publication-manifest/1.0",
  "source_date": "1989-11-21",
  "source_id": "US-4881770-A",
  "source_name": "the United States Patent and Trademark Office",
  "source_note": "drawings reproduced from the published facsimile",
  "source_url": "https://patents.google.com/patent/US4881770A",
  "supersedes": null,
  "title": "Method and apparatus for transporting perforated objects",
  "uuid": "01a0a6c4-b801-7dbf-809b-e8b7e11bc559"
}
