Digital B2B platform, software and media services for the glass industry – engineering services for glass container forming
HOLDRA Limited (Glass Open Book)
Pontefract (England, GB)New on Amplifa
About Glass Open Book
Under the Glass Open Book (GOB) brand, HOLDRA Limited operates a digital B2B platform and professional network for the glass industry that connects around 3,500 professionals and more than 340 companies. In addition to company profiles, product and service directories and jobs, GOB offers digital tools via the GOB Glass Apps, such as the Defect Elimination System (DES), the Gob Forming Simulator, the Gob/Orifice Calculator and the Forming Defects App. Through the media divisions GOB Talk, social media campaigns, video coverage and sponsorship, glass industry companies are marketed. Via the partner brand APEGG - Glass Experts, engineering services are offered to glass container manufacturers, including mould design and mould design review for the BB, LWBB, PB and NNPB processes, premium bottle design with 3D rendering, light weighting and NNPB introduction, as well as training on forming defects, gob forming and mould equipment inspection. The platform is operated by HOLDRA Limited, founded in 2016 and registered in Pontefract, England, and targets an international audience.
- Site
- WF9 1EE Pontefract
- Processes
- Mould Design Review (mould equipment design review for glass containers), Mould Design (container and mould equipment design for BB, LWBB, PB, NNPB), Premium Bottle Design (bottle design incl. 3D rendering), Light Weighting (weight reduction of glass containers), NNPB Introduction (introduction of Narrow Neck Press & Blow), Forming Process Training (BB, NNPB, PB), Forming Defects Training, Mould Inspection Training
- Materials
- Glass (hollow glass/glass containers), Defect Elimination System, Gob Forming Simulator, Forming Defects App, Arcus, Linea
- Founded
- 2016
- Industries
- Glass industry (glass containers, flat glass, speciality glass, glass, Mechanical and plant engineering / suppliers, Software, Brand Owner (Food & Beverage, Pharma, Cosmetics, HoReCa), Glass industry (glass containers, float/flat glass, glassware, speciality glass), Brand Owner (Food & Beverage, Pharma, Cosmetics, HoReCa,
- 01
Engineering services (container and mould equipment design)
- 02
Software development (Glass Apps: DES, Simulator, Calculator)
- 03
Digital marketplace (company, product and service profiles)
- 04
Media services (GOB Talk, social media, video, sponsorship)
Digital Products & Processes
Defect Elimination System
Software with smart algorithms for the systematic elimination of forming defects in glass container production.
Gob Forming Simulator
Simulator for depicting gob forming under real industrial conditions for training purposes.
Forming Defects App
Digital handbook with more than 100 forming defects including names, causes and countermeasures.
Arcus
Continuous online monitoring of glass colour, making sample analyses on containers unnecessary (Video Systems Srl).
Linea
Contactless machine vision system for detecting shoulder check breaks on standard and speciality bottles (Video Systems Srl).
Locations
Pontefract
GBRegistered Office
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Mould Design Review (mould equipment design review for glass containers)Engineering | – | – | – | – | Glass |
| Mould Design (container and mould equipment design for BB, LWBB, PB, NNPB)Engineering | – | – | – | – | Glass |
| Premium Bottle Design (bottle design incl. 3D rendering)Engineering | – | – | – | – | Glass |
| Light Weighting (weight reduction of glass containers)Engineering | – | – | – | – | Glass |
| NNPB Introduction (introduction of Narrow Neck Press & Blow)Casting | – | – | – | – | Glass |
| Forming Process Training (BB, NNPB, PB)Engineering | – | – | – | – | – |
| Forming Defects TrainingInspection | – | – | – | – | – |
| Mould Inspection TrainingInspection | – | – | – | – | – |
| Mould Repair TrainingEngineering | – | – | – | – | – |
| Gob Forming TrainingEngineering | – | – | – | – | – |
| Blank Mold Holder Assemblies Manufacturing (CNC-manufactured IS machine spare parts)Machining | – | – | – | – | – |
| PRE-HEATING KILNS (manufacture of pre-heating kilns)Heat treatment | – | – | – | – | – |
| ARCUS - continuous online glass colour monitoringInspection | – | – | – | – | Glass |
| LINEA - contactless shoulder check inspection (machine vision)Inspection | – | – | – | – | Glass |
| DES - Defect Elimination System (software for defect elimination)Inspection | – | – | – | – | – |
| Gob / Orifice Calculator (ring size calculation)Engineering | – | – | – | – | – |
| Gob Forming Simulator (simulation of gob forming)Engineering | – | – | – | – | – |
5 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| CNC manufacturing (programming and production of blank mold holders) | Hogley Brothers | – | – | – | – |
| Pre-heating kiln | LUBEN GLASS | – | – | – | – |
| Machine vision quality system | Video Systems Srl Arcus | – | – | – | – |
| Machine vision quality system | Video Systems Srl Linea | – | – | – | – |
| IS machine (Individual Section Machine, glass container forming machine) | – | – | – | – | – |
Additional services
Reference customers
History
- 2012
Rajko Machold and Alexey Romankov meet; start of development of digital products (GCFDA, DES, GOB Forming Simulator)
- 2016
Official launch of the Glass Open Book platform by HOLDRA Limited
- 2026
10th anniversary; announcement of GOB 2.0 (switch to premium model, launch planned for December 2026)