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A thorough study on a Duyan (Filipino traditional crib) chair. Includes materials used, process, and semantic analysis.
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DUYANA RATTAN WOMB CHAIR
WHAT DOES A WOMB CHAIR AND A ‘DUYAN’ HAVE IN COMMON?
Both are inspired by the concept of ‘baby comfort’.
“It was designed on the theory that a great number of people have never really felt
comfortable and secure since they left the womb” – Eero Saarinen, designer of
the Womb Chair on his chair’s formanology
FORMANOLOGY
Taking inspirations from Eero Saarinen’s
Womb Chair and the Filipino cradle, the
Duyan Chair is no ordinary lounge chair.
Its form is greatly influenced by a Filipino
infant’s ‘first dwelling’.
EERO SAARINEN’S WOMB CHAIR
DUYAN, the traditional cradle in the
Philippines
CHAIR’S IMPACT ON DIFFERENT ASPECTS
• Because of its materials, it has a casual and resort
feel to the market. It is in fact a major attraction
especially in foreign countries.
• It has a lightweight, elegant, and flexible low, making
it appropriate for almost any type of design (from
classic to contemporary design)
HOW IT’S MADE – BASE AND FRAME CONSTRUCTION
One of the Philippines’ natural gems
Grows in the eastern side of Northern Luzon
Flexible and fibrous
Luckily, it is a material that’s not only ideal for weaving, but is strong enough to support furniture as its foundation,
as well.
Bends easily when heated
HOW IT’S MADE – BASE AND FRAME CONSTRUCTION
1. POLE SELECTION – Selecting the suitable species with canes of the right
size for the particular end-use to be considered. The material should be
dried to a moisture content of 18-20 percent.
2. POLE STRAIGHTENING - softening of the poles by briefly steaming them,
then straighten them in wooden straightening jigs.
3. CUTTING OF THE POLES TO LENGTH - Cut the poles to the required
lengths, allowing sufficient extra for trimming the bent component.
4. POLE STEAMING - Soften (or “plasticize”) the poles to be bent by
steaming them in an enclosed chamber with a temperature of 1000 C at
atmospheric pressure.
Furniture makers use steam – applying both heat and moisture – to modify the shape of rattan poles.This
process is called the Rattan Pole Steam-Bending Unit.
RATTAN POLE STEAM-BENDING UNIT
HOW IT’S MADE – BASE AND FRAME CONSTRUCTION
RATTAN POLE STEAM-BENDING UNIT
5. POLE BENDING IN JIGS – After removing the poles from the chamber,
immediately bend each one manually. Hand fashioning of bends is usually
done with bending forms or jigs.
Bending jigs are made of wooden or metal blocks shaped to the desired form of
bend. The use of jigs ensures uniform curvature in the bends. On a jig securely fixed
to the bench, secure the end of the pole where bending will start and slowly force
the pole against the jig to follow its contour. Slightly overbend the pole to give
allowance for springback. Secure the pole in the jig by placing restraining attachments
(ties) on the ends to prevent springback. Allow the bend to cool and dry – usually
about 24 hours.
HOW IT’S MADE – BASE AND FRAME CONSTRUCTION
6. PIECE-FINISHING - Remove the restraining attachment and adjust the bend
to the required curvature following a pattern used to ensure proper shaping
of components. To facilitate adjustment, soften the pole by passing a
blowtorch 3 to 4 times over the bent portion for about 25 to 30 seconds.
Trim any excess from the ends of the bent piece. The bent piece is now
ready for product assembly.
DESIGN INSPIRATION FOR CHAIR
FOUNDATION
BASE PEG
FLOOR PROTECTION
Heavy duty nylon glides are placed below the
chair’s base for floor protection and also to
prevent the chair from slipping on the surface.
HOW IT’S MADE - SHELL
Once the foundation is built to its desired, shape, the weaving of rattan strips for the chair’s shell is then begun.
For this chair, the Danish cord pattern is used because of its durability.
Polishing makes the chair contemporary while staining is used to ass color to it.
WEAVING IN PROGRESS WEAVING COMPLETEDWEAVING PATTERN
PRAGMATIC PICTURE
TARGET MANUFACTURER
CONCLUSION
Taking inspiration from Eero Saarinen’s Womb Chair and the traditional Filipino cradle ‘duyan’, this chair takes
an agricultural yet sophisticated approach in furniture design. The Duyan Chair mainly follows the Womb Chair’s
shape and features but instead of using the same materials, it opted for something the Philippines is very rich of.
Using natural resources like rattan, the chair does not only offer unique aesthetics but it also promotes the country’s
agriculture. Because of its lightweight and elegant low, the chair can be a major attraction even in foreign countries.
The chair has a classy yet contemporary design, making it flexible and appropriate to almost any type of setting.
REFERENCES
Building Rattan Furniture from the Ground Up. (2014, May 12). Retrieved September 28, 2015,
from http://blog.wickerwarehouse.com/?p=62
Shaping and Integrating Wicker Weaving. (2014, May 12). Retrieved September 28, 2015, from
http://blog.wickerwarehouse.com/?p=62
Crafting and Shaping Rattan. Retrieved from http://www.imprintmanila.com/crafting-and-
shaping-rattan/
Peters, C. (2006). How to Identify Woven Chair Seats. Retrieved September 27, 2015, from
http://www.wickerwoman.com/articles/identify-woven-seat-patterns
Peters, C. (2006). Seatweaving #101 Overview–Caning, Rush, Splint, Cord. Retrieved September
27, 2015, from http://www.wickerwoman.com/seatweaving
"InBarTechnology Pages." Rattan Pole Steam-Bending Unit: A Valuable Environmentally-Friendly
Technique (2005). International Network for Rattan and Bamboo.